Home / 38,249.20-57,373.80-11,956.60

Finding the Fourth Proportional to 38,249.20, 57,373.80 and 11,956.60

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Solution

The fourth proportional to 38,249.20, 57,373.80 and 11,956.60 is: 17,934.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,249.20 : 57,373.80 = 11,956.60 : x
  2. Step 2: Convert to fraction form
    38,249.20/57,373.80 = 11,956.60/x
  3. Step 3: Cross multiply
    38,249.20x = 57,373.80 × 11,956.60
  4. Step 4: Simplify right side
    38,249.20x = 685,995,577.08
  5. Step 5: Solve for x
    x = 685,995,577.08/38,249.20
  6. Step 6: Final answer
    x = 17,934.90

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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.