Home / 40,781.66-61,131.16-27,635.36

Finding the Fourth Proportional to 40,781.66, 61,131.16 and 27,635.36

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Solution

The fourth proportional to 40,781.66, 61,131.16 and 27,635.36 is: 41,425.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,781.66 : 61,131.16 = 27,635.36 : x
  2. Step 2: Convert to fraction form
    40,781.66/61,131.16 = 27,635.36/x
  3. Step 3: Cross multiply
    40,781.66x = 61,131.16 × 27,635.36
  4. Step 4: Simplify right side
    40,781.66x = 1,689,381,613.82
  5. Step 5: Solve for x
    x = 1,689,381,613.82/40,781.66
  6. Step 6: Final answer
    x = 41,425.03

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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.