Home / 60,731.28-83,761.80-39,517.38

Finding the Fourth Proportional to 60,731.28, 83,761.80 and 39,517.38

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Solution

The fourth proportional to 60,731.28, 83,761.80 and 39,517.38 is: 54,503.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,731.28 : 83,761.80 = 39,517.38 : x
  2. Step 2: Convert to fraction form
    60,731.28/83,761.80 = 39,517.38/x
  3. Step 3: Cross multiply
    60,731.28x = 83,761.80 × 39,517.38
  4. Step 4: Simplify right side
    60,731.28x = 3,310,046,880.08
  5. Step 5: Solve for x
    x = 3,310,046,880.08/60,731.28
  6. Step 6: Final answer
    x = 54,503.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.