Home / 31,423.17-47,135.89-10,363.73

Finding the Fourth Proportional to 31,423.17, 47,135.89 and 10,363.73

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Solution

The fourth proportional to 31,423.17, 47,135.89 and 10,363.73 is: 15,545.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,423.17 : 47,135.89 = 10,363.73 : x
  2. Step 2: Convert to fraction form
    31,423.17/47,135.89 = 10,363.73/x
  3. Step 3: Cross multiply
    31,423.17x = 47,135.89 × 10,363.73
  4. Step 4: Simplify right side
    31,423.17x = 488,503,414.54
  5. Step 5: Solve for x
    x = 488,503,414.54/31,423.17
  6. Step 6: Final answer
    x = 15,545.96

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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.