Home / 54,382.28-81,540.61-24,391.06

Finding the Fourth Proportional to 54,382.28, 81,540.61 and 24,391.06

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Solution

The fourth proportional to 54,382.28, 81,540.61 and 24,391.06 is: 36,571.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,382.28 : 81,540.61 = 24,391.06 : x
  2. Step 2: Convert to fraction form
    54,382.28/81,540.61 = 24,391.06/x
  3. Step 3: Cross multiply
    54,382.28x = 81,540.61 × 24,391.06
  4. Step 4: Simplify right side
    54,382.28x = 1,988,861,646.12
  5. Step 5: Solve for x
    x = 1,988,861,646.12/54,382.28
  6. Step 6: Final answer
    x = 36,571.87

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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.