Home / 54,691.12-82,035.52-15,247.20

Finding the Fourth Proportional to 54,691.12, 82,035.52 and 15,247.20

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Solution

The fourth proportional to 54,691.12, 82,035.52 and 15,247.20 is: 22,870.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,691.12 : 82,035.52 = 15,247.20 : x
  2. Step 2: Convert to fraction form
    54,691.12/82,035.52 = 15,247.20/x
  3. Step 3: Cross multiply
    54,691.12x = 82,035.52 × 15,247.20
  4. Step 4: Simplify right side
    54,691.12x = 1,250,811,980.54
  5. Step 5: Solve for x
    x = 1,250,811,980.54/54,691.12
  6. Step 6: Final answer
    x = 22,870.48

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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.