Home / 40,381.27-55,719.49-22,475.82

Finding the Fourth Proportional to 40,381.27, 55,719.49 and 22,475.82

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Solution

The fourth proportional to 40,381.27, 55,719.49 and 22,475.82 is: 31,012.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,381.27 : 55,719.49 = 22,475.82 : x
  2. Step 2: Convert to fraction form
    40,381.27/55,719.49 = 22,475.82/x
  3. Step 3: Cross multiply
    40,381.27x = 55,719.49 × 22,475.82
  4. Step 4: Simplify right side
    40,381.27x = 1,252,341,227.73
  5. Step 5: Solve for x
    x = 1,252,341,227.73/40,381.27
  6. Step 6: Final answer
    x = 31,012.92

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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.