Home / 40,456.26-60,691.34-12,375.64

Finding the Fourth Proportional to 40,456.26, 60,691.34 and 12,375.64

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Solution

The fourth proportional to 40,456.26, 60,691.34 and 12,375.64 is: 18,565.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,456.26 : 60,691.34 = 12,375.64 : x
  2. Step 2: Convert to fraction form
    40,456.26/60,691.34 = 12,375.64/x
  3. Step 3: Cross multiply
    40,456.26x = 60,691.34 × 12,375.64
  4. Step 4: Simplify right side
    40,456.26x = 751,094,174.96
  5. Step 5: Solve for x
    x = 751,094,174.96/40,456.26
  6. Step 6: Final answer
    x = 18,565.59

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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.