Home / 40,512.44-60,790-20,791

Finding the Fourth Proportional to 40,512.44, 60,790 and 20,791

Calculator

Solution

The fourth proportional to 40,512.44, 60,790 and 20,791 is: 31,197.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,512.44 : 60,790 = 20,791 : x
  2. Step 2: Convert to fraction form
    40,512.44/60,790 = 20,791/x
  3. Step 3: Cross multiply
    40,512.44x = 60,790 × 20,791
  4. Step 4: Simplify right side
    40,512.44x = 1,263,884,890
  5. Step 5: Solve for x
    x = 1,263,884,890/40,512.44
  6. Step 6: Final answer
    x = 31,197.45

Related Problems

Find fourth proportional to 20,256.22, 30,395 and 10,395.50
Half scale
Find fourth proportional to 81,024.88, 121,580 and 41,582
Double scale
Find fourth proportional to 40,513.44, 60,791.50 and 20,792
Similar ratio
Find fourth proportional to 60,768.66, 91,185 and 31,186.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.