Home / 31,956.57-47,934.98-9,769.91

Finding the Fourth Proportional to 31,956.57, 47,934.98 and 9,769.91

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Solution

The fourth proportional to 31,956.57, 47,934.98 and 9,769.91 is: 14,654.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,956.57 : 47,934.98 = 9,769.91 : x
  2. Step 2: Convert to fraction form
    31,956.57/47,934.98 = 9,769.91/x
  3. Step 3: Cross multiply
    31,956.57x = 47,934.98 × 9,769.91
  4. Step 4: Simplify right side
    31,956.57x = 468,320,350.86
  5. Step 5: Solve for x
    x = 468,320,350.86/31,956.57
  6. Step 6: Final answer
    x = 14,654.90

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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.