Home / 41,393.20-57,121.68-22,529.92

Finding the Fourth Proportional to 41,393.20, 57,121.68 and 22,529.92

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Solution

The fourth proportional to 41,393.20, 57,121.68 and 22,529.92 is: 31,090.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,393.20 : 57,121.68 = 22,529.92 : x
  2. Step 2: Convert to fraction form
    41,393.20/57,121.68 = 22,529.92/x
  3. Step 3: Cross multiply
    41,393.20x = 57,121.68 × 22,529.92
  4. Step 4: Simplify right side
    41,393.20x = 1,286,946,880.67
  5. Step 5: Solve for x
    x = 1,286,946,880.67/41,393.20
  6. Step 6: Final answer
    x = 31,090.78

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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.