Home / 40,909.20-61,349.40-14,614.80

Finding the Fourth Proportional to 40,909.20, 61,349.40 and 14,614.80

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Solution

The fourth proportional to 40,909.20, 61,349.40 and 14,614.80 is: 21,917.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,909.20 : 61,349.40 = 14,614.80 : x
  2. Step 2: Convert to fraction form
    40,909.20/61,349.40 = 14,614.80/x
  3. Step 3: Cross multiply
    40,909.20x = 61,349.40 × 14,614.80
  4. Step 4: Simplify right side
    40,909.20x = 896,609,211.12
  5. Step 5: Solve for x
    x = 896,609,211.12/40,909.20
  6. Step 6: Final answer
    x = 21,917.06

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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.