Home / 40,175.72-55,441.60-22,270.56

Finding the Fourth Proportional to 40,175.72, 55,441.60 and 22,270.56

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Solution

The fourth proportional to 40,175.72, 55,441.60 and 22,270.56 is: 30,732.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,175.72 : 55,441.60 = 22,270.56 : x
  2. Step 2: Convert to fraction form
    40,175.72/55,441.60 = 22,270.56/x
  3. Step 3: Cross multiply
    40,175.72x = 55,441.60 × 22,270.56
  4. Step 4: Simplify right side
    40,175.72x = 1,234,715,479.30
  5. Step 5: Solve for x
    x = 1,234,715,479.30/40,175.72
  6. Step 6: Final answer
    x = 30,732.88

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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.