Home / 31,842.90-47,691.52-15,214.61

Finding the Fourth Proportional to 31,842.90, 47,691.52 and 15,214.61

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Solution

The fourth proportional to 31,842.90, 47,691.52 and 15,214.61 is: 22,787.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,842.90 : 47,691.52 = 15,214.61 : x
  2. Step 2: Convert to fraction form
    31,842.90/47,691.52 = 15,214.61/x
  3. Step 3: Cross multiply
    31,842.90x = 47,691.52 × 15,214.61
  4. Step 4: Simplify right side
    31,842.90x = 725,607,958.30
  5. Step 5: Solve for x
    x = 725,607,958.30/31,842.90
  6. Step 6: Final answer
    x = 22,787.12

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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.