Home / 51,129.20-76,694.08-17,849.12

Finding the Fourth Proportional to 51,129.20, 76,694.08 and 17,849.12

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Solution

The fourth proportional to 51,129.20, 76,694.08 and 17,849.12 is: 26,773.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,129.20 : 76,694.08 = 17,849.12 : x
  2. Step 2: Convert to fraction form
    51,129.20/76,694.08 = 17,849.12/x
  3. Step 3: Cross multiply
    51,129.20x = 76,694.08 × 17,849.12
  4. Step 4: Simplify right side
    51,129.20x = 1,368,921,837.21
  5. Step 5: Solve for x
    x = 1,368,921,837.21/51,129.20
  6. Step 6: Final answer
    x = 26,773.78

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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.