Home / 36,439.75-54,615.75-16,691.14

Finding the Fourth Proportional to 36,439.75, 54,615.75 and 16,691.14

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Solution

The fourth proportional to 36,439.75, 54,615.75 and 16,691.14 is: 25,016.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,439.75 : 54,615.75 = 16,691.14 : x
  2. Step 2: Convert to fraction form
    36,439.75/54,615.75 = 16,691.14/x
  3. Step 3: Cross multiply
    36,439.75x = 54,615.75 × 16,691.14
  4. Step 4: Simplify right side
    36,439.75x = 911,598,930.32
  5. Step 5: Solve for x
    x = 911,598,930.32/36,439.75
  6. Step 6: Final answer
    x = 25,016.61

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1.5x scale

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.