Home / 42,422.88-63,609.30-16,129.44

Finding the Fourth Proportional to 42,422.88, 63,609.30 and 16,129.44

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Solution

The fourth proportional to 42,422.88, 63,609.30 and 16,129.44 is: 24,184.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,422.88 : 63,609.30 = 16,129.44 : x
  2. Step 2: Convert to fraction form
    42,422.88/63,609.30 = 16,129.44/x
  3. Step 3: Cross multiply
    42,422.88x = 63,609.30 × 16,129.44
  4. Step 4: Simplify right side
    42,422.88x = 1,025,982,387.79
  5. Step 5: Solve for x
    x = 1,025,982,387.79/42,422.88
  6. Step 6: Final answer
    x = 24,184.65

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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.