Home / 31,379.92-47,069.87-9,193.29

Finding the Fourth Proportional to 31,379.92, 47,069.87 and 9,193.29

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Solution

The fourth proportional to 31,379.92, 47,069.87 and 9,193.29 is: 13,789.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,379.92 : 47,069.87 = 9,193.29 : x
  2. Step 2: Convert to fraction form
    31,379.92/47,069.87 = 9,193.29/x
  3. Step 3: Cross multiply
    31,379.92x = 47,069.87 × 9,193.29
  4. Step 4: Simplify right side
    31,379.92x = 432,727,181.90
  5. Step 5: Solve for x
    x = 432,727,181.90/31,379.92
  6. Step 6: Final answer
    x = 13,789.94

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Similar ratio
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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.