Home / 31,545.87-47,311.50-9,353.91

Finding the Fourth Proportional to 31,545.87, 47,311.50 and 9,353.91

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Solution

The fourth proportional to 31,545.87, 47,311.50 and 9,353.91 is: 14,028.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,545.87 : 47,311.50 = 9,353.91 : x
  2. Step 2: Convert to fraction form
    31,545.87/47,311.50 = 9,353.91/x
  3. Step 3: Cross multiply
    31,545.87x = 47,311.50 × 9,353.91
  4. Step 4: Simplify right side
    31,545.87x = 442,547,512.97
  5. Step 5: Solve for x
    x = 442,547,512.97/31,545.87
  6. Step 6: Final answer
    x = 14,028.70

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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.