Home / 36,092.20-54,138.30-30,389.80

Finding the Fourth Proportional to 36,092.20, 54,138.30 and 30,389.80

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Solution

The fourth proportional to 36,092.20, 54,138.30 and 30,389.80 is: 45,584.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,092.20 : 54,138.30 = 30,389.80 : x
  2. Step 2: Convert to fraction form
    36,092.20/54,138.30 = 30,389.80/x
  3. Step 3: Cross multiply
    36,092.20x = 54,138.30 × 30,389.80
  4. Step 4: Simplify right side
    36,092.20x = 1,645,252,109.34
  5. Step 5: Solve for x
    x = 1,645,252,109.34/36,092.20
  6. Step 6: Final answer
    x = 45,584.70

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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.