Home / 31,649.68-47,474.46-11,932.66

Finding the Fourth Proportional to 31,649.68, 47,474.46 and 11,932.66

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Solution

The fourth proportional to 31,649.68, 47,474.46 and 11,932.66 is: 17,898.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,649.68 : 47,474.46 = 11,932.66 : x
  2. Step 2: Convert to fraction form
    31,649.68/47,474.46 = 11,932.66/x
  3. Step 3: Cross multiply
    31,649.68x = 47,474.46 × 11,932.66
  4. Step 4: Simplify right side
    31,649.68x = 566,496,589.86
  5. Step 5: Solve for x
    x = 566,496,589.86/31,649.68
  6. Step 6: Final answer
    x = 17,898.97

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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.