Home / 38,909.07-58,375.85-13,932.09

Finding the Fourth Proportional to 38,909.07, 58,375.85 and 13,932.09

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Solution

The fourth proportional to 38,909.07, 58,375.85 and 13,932.09 is: 20,902.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,909.07 : 58,375.85 = 13,932.09 : x
  2. Step 2: Convert to fraction form
    38,909.07/58,375.85 = 13,932.09/x
  3. Step 3: Cross multiply
    38,909.07x = 58,375.85 × 13,932.09
  4. Step 4: Simplify right side
    38,909.07x = 813,297,526.37
  5. Step 5: Solve for x
    x = 813,297,526.37/38,909.07
  6. Step 6: Final answer
    x = 20,902.52

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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.