Home / 31,929.28-47,612.64-29,713.12

Finding the Fourth Proportional to 31,929.28, 47,612.64 and 29,713.12

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Solution

The fourth proportional to 31,929.28, 47,612.64 and 29,713.12 is: 44,307.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,929.28 : 47,612.64 = 29,713.12 : x
  2. Step 2: Convert to fraction form
    31,929.28/47,612.64 = 29,713.12/x
  3. Step 3: Cross multiply
    31,929.28x = 47,612.64 × 29,713.12
  4. Step 4: Simplify right side
    31,929.28x = 1,414,720,085.84
  5. Step 5: Solve for x
    x = 1,414,720,085.84/31,929.28
  6. Step 6: Final answer
    x = 44,307.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.