Home / 31,590.20-47,377.19-14,945.78

Finding the Fourth Proportional to 31,590.20, 47,377.19 and 14,945.78

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Solution

The fourth proportional to 31,590.20, 47,377.19 and 14,945.78 is: 22,414.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,590.20 : 47,377.19 = 14,945.78 : x
  2. Step 2: Convert to fraction form
    31,590.20/47,377.19 = 14,945.78/x
  3. Step 3: Cross multiply
    31,590.20x = 47,377.19 × 14,945.78
  4. Step 4: Simplify right side
    31,590.20x = 708,088,747.14
  5. Step 5: Solve for x
    x = 708,088,747.14/31,590.20
  6. Step 6: Final answer
    x = 22,414.83

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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.