Home / 31,909.39-47,791.24-15,281.17

Finding the Fourth Proportional to 31,909.39, 47,791.24 and 15,281.17

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Solution

The fourth proportional to 31,909.39, 47,791.24 and 15,281.17 is: 22,886.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,909.39 : 47,791.24 = 15,281.17 : x
  2. Step 2: Convert to fraction form
    31,909.39/47,791.24 = 15,281.17/x
  3. Step 3: Cross multiply
    31,909.39x = 47,791.24 × 15,281.17
  4. Step 4: Simplify right side
    31,909.39x = 730,305,905.27
  5. Step 5: Solve for x
    x = 730,305,905.27/31,909.39
  6. Step 6: Final answer
    x = 22,886.87

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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.