Home / 54,635.38-75,390.96-30,761.62

Finding the Fourth Proportional to 54,635.38, 75,390.96 and 30,761.62

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Solution

The fourth proportional to 54,635.38, 75,390.96 and 30,761.62 is: 42,447.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,635.38 : 75,390.96 = 30,761.62 : x
  2. Step 2: Convert to fraction form
    54,635.38/75,390.96 = 30,761.62/x
  3. Step 3: Cross multiply
    54,635.38x = 75,390.96 × 30,761.62
  4. Step 4: Simplify right side
    54,635.38x = 2,319,148,062.96
  5. Step 5: Solve for x
    x = 2,319,148,062.96/54,635.38
  6. Step 6: Final answer
    x = 42,447.73

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1.5x scale

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.