Home / 54,635.82-75,391.20-30,761.88

Finding the Fourth Proportional to 54,635.82, 75,391.20 and 30,761.88

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Solution

The fourth proportional to 54,635.82, 75,391.20 and 30,761.88 is: 42,447.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,635.82 : 75,391.20 = 30,761.88 : x
  2. Step 2: Convert to fraction form
    54,635.82/75,391.20 = 30,761.88/x
  3. Step 3: Cross multiply
    54,635.82x = 75,391.20 × 30,761.88
  4. Step 4: Simplify right side
    54,635.82x = 2,319,175,047.46
  5. Step 5: Solve for x
    x = 2,319,175,047.46/54,635.82
  6. Step 6: Final answer
    x = 42,447.89

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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.