Home / 51,382.18-77,083.62-18,125.83

Finding the Fourth Proportional to 51,382.18, 77,083.62 and 18,125.83

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Solution

The fourth proportional to 51,382.18, 77,083.62 and 18,125.83 is: 27,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,382.18 : 77,083.62 = 18,125.83 : x
  2. Step 2: Convert to fraction form
    51,382.18/77,083.62 = 18,125.83/x
  3. Step 3: Cross multiply
    51,382.18x = 77,083.62 × 18,125.83
  4. Step 4: Simplify right side
    51,382.18x = 1,397,204,591.90
  5. Step 5: Solve for x
    x = 1,397,204,591.90/51,382.18
  6. Step 6: Final answer
    x = 27,192.40

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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.