Home / 54,177.61-74,771.42-31,517.56

Finding the Fourth Proportional to 54,177.61, 74,771.42 and 31,517.56

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Solution

The fourth proportional to 54,177.61, 74,771.42 and 31,517.56 is: 43,497.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,177.61 : 74,771.42 = 31,517.56 : x
  2. Step 2: Convert to fraction form
    54,177.61/74,771.42 = 31,517.56/x
  3. Step 3: Cross multiply
    54,177.61x = 74,771.42 × 31,517.56
  4. Step 4: Simplify right side
    54,177.61x = 2,356,612,716.14
  5. Step 5: Solve for x
    x = 2,356,612,716.14/54,177.61
  6. Step 6: Final answer
    x = 43,497.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.