Home / 40,543.20-55,949.10-22,638.52

Finding the Fourth Proportional to 40,543.20, 55,949.10 and 22,638.52

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Solution

The fourth proportional to 40,543.20, 55,949.10 and 22,638.52 is: 31,240.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,543.20 : 55,949.10 = 22,638.52 : x
  2. Step 2: Convert to fraction form
    40,543.20/55,949.10 = 22,638.52/x
  3. Step 3: Cross multiply
    40,543.20x = 55,949.10 × 22,638.52
  4. Step 4: Simplify right side
    40,543.20x = 1,266,604,819.33
  5. Step 5: Solve for x
    x = 1,266,604,819.33/40,543.20
  6. Step 6: Final answer
    x = 31,240.87

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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.