Home / 36,192.28-54,279.84-20,404.30

Finding the Fourth Proportional to 36,192.28, 54,279.84 and 20,404.30

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Solution

The fourth proportional to 36,192.28, 54,279.84 and 20,404.30 is: 30,601.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,192.28 : 54,279.84 = 20,404.30 : x
  2. Step 2: Convert to fraction form
    36,192.28/54,279.84 = 20,404.30/x
  3. Step 3: Cross multiply
    36,192.28x = 54,279.84 × 20,404.30
  4. Step 4: Simplify right side
    36,192.28x = 1,107,542,139.31
  5. Step 5: Solve for x
    x = 1,107,542,139.31/36,192.28
  6. Step 6: Final answer
    x = 30,601.61

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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.