Home / 36,128.20-54,192.30-25,630.60

Finding the Fourth Proportional to 36,128.20, 54,192.30 and 25,630.60

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Solution

The fourth proportional to 36,128.20, 54,192.30 and 25,630.60 is: 38,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,128.20 : 54,192.30 = 25,630.60 : x
  2. Step 2: Convert to fraction form
    36,128.20/54,192.30 = 25,630.60/x
  3. Step 3: Cross multiply
    36,128.20x = 54,192.30 × 25,630.60
  4. Step 4: Simplify right side
    36,128.20x = 1,388,981,164.38
  5. Step 5: Solve for x
    x = 1,388,981,164.38/36,128.20
  6. Step 6: Final answer
    x = 38,445.90

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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.