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Finding the Fourth Proportional to 36,000.60, 54,000.90 and 18,472.20

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Solution

The fourth proportional to 36,000.60, 54,000.90 and 18,472.20 is: 27,708.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,000.60 : 54,000.90 = 18,472.20 : x
  2. Step 2: Convert to fraction form
    36,000.60/54,000.90 = 18,472.20/x
  3. Step 3: Cross multiply
    36,000.60x = 54,000.90 × 18,472.20
  4. Step 4: Simplify right side
    36,000.60x = 997,515,424.98
  5. Step 5: Solve for x
    x = 997,515,424.98/36,000.60
  6. Step 6: Final answer
    x = 27,708.30

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Similar ratio
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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.