Home / 41,405.10-57,138.69-22,542.18

Finding the Fourth Proportional to 41,405.10, 57,138.69 and 22,542.18

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Solution

The fourth proportional to 41,405.10, 57,138.69 and 22,542.18 is: 31,108.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,405.10 : 57,138.69 = 22,542.18 : x
  2. Step 2: Convert to fraction form
    41,405.10/57,138.69 = 22,542.18/x
  3. Step 3: Cross multiply
    41,405.10x = 57,138.69 × 22,542.18
  4. Step 4: Simplify right side
    41,405.10x = 1,288,030,634.94
  5. Step 5: Solve for x
    x = 1,288,030,634.94/41,405.10
  6. Step 6: Final answer
    x = 31,108.02

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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.