Home / 39,949.70-55,128.21-22,046.39

Finding the Fourth Proportional to 39,949.70, 55,128.21 and 22,046.39

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Solution

The fourth proportional to 39,949.70, 55,128.21 and 22,046.39 is: 30,422.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,949.70 : 55,128.21 = 22,046.39 : x
  2. Step 2: Convert to fraction form
    39,949.70/55,128.21 = 22,046.39/x
  3. Step 3: Cross multiply
    39,949.70x = 55,128.21 × 22,046.39
  4. Step 4: Simplify right side
    39,949.70x = 1,215,378,017.66
  5. Step 5: Solve for x
    x = 1,215,378,017.66/39,949.70
  6. Step 6: Final answer
    x = 30,422.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.