Home / 54,250.24-74,862-30,372.88

Finding the Fourth Proportional to 54,250.24, 74,862 and 30,372.88

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Solution

The fourth proportional to 54,250.24, 74,862 and 30,372.88 is: 41,912.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,250.24 : 74,862 = 30,372.88 : x
  2. Step 2: Convert to fraction form
    54,250.24/74,862 = 30,372.88/x
  3. Step 3: Cross multiply
    54,250.24x = 74,862 × 30,372.88
  4. Step 4: Simplify right side
    54,250.24x = 2,273,774,542.56
  5. Step 5: Solve for x
    x = 2,273,774,542.56/54,250.24
  6. Step 6: Final answer
    x = 41,912.71

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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.