Home / 54,022.50-81,034.11-17,086.50

Finding the Fourth Proportional to 54,022.50, 81,034.11 and 17,086.50

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Solution

The fourth proportional to 54,022.50, 81,034.11 and 17,086.50 is: 25,629.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,022.50 : 81,034.11 = 17,086.50 : x
  2. Step 2: Convert to fraction form
    54,022.50/81,034.11 = 17,086.50/x
  3. Step 3: Cross multiply
    54,022.50x = 81,034.11 × 17,086.50
  4. Step 4: Simplify right side
    54,022.50x = 1,384,589,320.52
  5. Step 5: Solve for x
    x = 1,384,589,320.52/54,022.50
  6. Step 6: Final answer
    x = 25,629.86

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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.