Home / 40,381.68-55,711.24-29,796.56

Finding the Fourth Proportional to 40,381.68, 55,711.24 and 29,796.56

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Solution

The fourth proportional to 40,381.68, 55,711.24 and 29,796.56 is: 41,107.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,381.68 : 55,711.24 = 29,796.56 : x
  2. Step 2: Convert to fraction form
    40,381.68/55,711.24 = 29,796.56/x
  3. Step 3: Cross multiply
    40,381.68x = 55,711.24 × 29,796.56
  4. Step 4: Simplify right side
    40,381.68x = 1,660,003,305.33
  5. Step 5: Solve for x
    x = 1,660,003,305.33/40,381.68
  6. Step 6: Final answer
    x = 41,107.83

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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.