Home / 31,363.20-47,051.55-9,174.87

Finding the Fourth Proportional to 31,363.20, 47,051.55 and 9,174.87

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Solution

The fourth proportional to 31,363.20, 47,051.55 and 9,174.87 is: 13,764.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,363.20 : 47,051.55 = 9,174.87 : x
  2. Step 2: Convert to fraction form
    31,363.20/47,051.55 = 9,174.87/x
  3. Step 3: Cross multiply
    31,363.20x = 47,051.55 × 9,174.87
  4. Step 4: Simplify right side
    31,363.20x = 431,691,854.55
  5. Step 5: Solve for x
    x = 431,691,854.55/31,363.20
  6. Step 6: Final answer
    x = 13,764.28

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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.