Home / 41,406.20-57,138.84-22,543.28

Finding the Fourth Proportional to 41,406.20, 57,138.84 and 22,543.28

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Solution

The fourth proportional to 41,406.20, 57,138.84 and 22,543.28 is: 31,108.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,406.20 : 57,138.84 = 22,543.28 : x
  2. Step 2: Convert to fraction form
    41,406.20/57,138.84 = 22,543.28/x
  3. Step 3: Cross multiply
    41,406.20x = 57,138.84 × 22,543.28
  4. Step 4: Simplify right side
    41,406.20x = 1,288,096,869.00
  5. Step 5: Solve for x
    x = 1,288,096,869.00/41,406.20
  6. Step 6: Final answer
    x = 31,108.79

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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.