Home / 40,134.08-55,385.51-22,229.44

Finding the Fourth Proportional to 40,134.08, 55,385.51 and 22,229.44

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Solution

The fourth proportional to 40,134.08, 55,385.51 and 22,229.44 is: 30,676.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,134.08 : 55,385.51 = 22,229.44 : x
  2. Step 2: Convert to fraction form
    40,134.08/55,385.51 = 22,229.44/x
  3. Step 3: Cross multiply
    40,134.08x = 55,385.51 × 22,229.44
  4. Step 4: Simplify right side
    40,134.08x = 1,231,188,621.80
  5. Step 5: Solve for x
    x = 1,231,188,621.80/40,134.08
  6. Step 6: Final answer
    x = 30,676.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.