Home / 40,375.82-55,720.24-22,471.58

Finding the Fourth Proportional to 40,375.82, 55,720.24 and 22,471.58

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Solution

The fourth proportional to 40,375.82, 55,720.24 and 22,471.58 is: 31,011.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,375.82 : 55,720.24 = 22,471.58 : x
  2. Step 2: Convert to fraction form
    40,375.82/55,720.24 = 22,471.58/x
  3. Step 3: Cross multiply
    40,375.82x = 55,720.24 × 22,471.58
  4. Step 4: Simplify right side
    40,375.82x = 1,252,121,830.78
  5. Step 5: Solve for x
    x = 1,252,121,830.78/40,375.82
  6. Step 6: Final answer
    x = 31,011.68

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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.