Home / 40,198.43-55,471.07-22,291.76

Finding the Fourth Proportional to 40,198.43, 55,471.07 and 22,291.76

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Solution

The fourth proportional to 40,198.43, 55,471.07 and 22,291.76 is: 30,761.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,198.43 : 55,471.07 = 22,291.76 : x
  2. Step 2: Convert to fraction form
    40,198.43/55,471.07 = 22,291.76/x
  3. Step 3: Cross multiply
    40,198.43x = 55,471.07 × 22,291.76
  4. Step 4: Simplify right side
    40,198.43x = 1,236,547,390.57
  5. Step 5: Solve for x
    x = 1,236,547,390.57/40,198.43
  6. Step 6: Final answer
    x = 30,761.09

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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.