Home / 38,209.82-57,311.33-13,249.31

Finding the Fourth Proportional to 38,209.82, 57,311.33 and 13,249.31

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Solution

The fourth proportional to 38,209.82, 57,311.33 and 13,249.31 is: 19,872.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,209.82 : 57,311.33 = 13,249.31 : x
  2. Step 2: Convert to fraction form
    38,209.82/57,311.33 = 13,249.31/x
  3. Step 3: Cross multiply
    38,209.82x = 57,311.33 × 13,249.31
  4. Step 4: Simplify right side
    38,209.82x = 759,335,577.68
  5. Step 5: Solve for x
    x = 759,335,577.68/38,209.82
  6. Step 6: Final answer
    x = 19,872.79

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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.