Home / 65,497.32-98,251.92-18,115.38

Finding the Fourth Proportional to 65,497.32, 98,251.92 and 18,115.38

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Solution

The fourth proportional to 65,497.32, 98,251.92 and 18,115.38 is: 27,174.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,497.32 : 98,251.92 = 18,115.38 : x
  2. Step 2: Convert to fraction form
    65,497.32/98,251.92 = 18,115.38/x
  3. Step 3: Cross multiply
    65,497.32x = 98,251.92 × 18,115.38
  4. Step 4: Simplify right side
    65,497.32x = 1,779,870,866.53
  5. Step 5: Solve for x
    x = 1,779,870,866.53/65,497.32
  6. Step 6: Final answer
    x = 27,174.71

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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.