Valek finds the distance between P and R. His work is shown below.Step 1   32/48 = 20/PRStep 2   20PR = (32) (48)Step 3    20PR = 1,536Step 4    PR = 76.8 kmWhat is Valek’s first error?Valek did not correctly divide 1,536 by 20 going from step 3 to step 4.Valek did not find the correct product of 32 and 48 going from step 2 to step 3.Valek should have written the proportion in step 1 as 32/20 = PR/48.Valek should have written the cross-product in step 2 as 32PR = (20) 48).