Home / 38,344.24-57,530.20-13,387.96

Finding the Fourth Proportional to 38,344.24, 57,530.20 and 13,387.96

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Solution

The fourth proportional to 38,344.24, 57,530.20 and 13,387.96 is: 20,086.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,344.24 : 57,530.20 = 13,387.96 : x
  2. Step 2: Convert to fraction form
    38,344.24/57,530.20 = 13,387.96/x
  3. Step 3: Cross multiply
    38,344.24x = 57,530.20 × 13,387.96
  4. Step 4: Simplify right side
    38,344.24x = 770,212,231.39
  5. Step 5: Solve for x
    x = 770,212,231.39/38,344.24
  6. Step 6: Final answer
    x = 20,086.78

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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.