Home / 40,375.76-55,670.88-27,635.08

Finding the Fourth Proportional to 40,375.76, 55,670.88 and 27,635.08

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Solution

The fourth proportional to 40,375.76, 55,670.88 and 27,635.08 is: 38,103.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,375.76 : 55,670.88 = 27,635.08 : x
  2. Step 2: Convert to fraction form
    40,375.76/55,670.88 = 27,635.08/x
  3. Step 3: Cross multiply
    40,375.76x = 55,670.88 × 27,635.08
  4. Step 4: Simplify right side
    40,375.76x = 1,538,469,222.47
  5. Step 5: Solve for x
    x = 1,538,469,222.47/40,375.76
  6. Step 6: Final answer
    x = 38,103.78

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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.