Home / 39,972.45-55,162.16-22,067.61

Finding the Fourth Proportional to 39,972.45, 55,162.16 and 22,067.61

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Solution

The fourth proportional to 39,972.45, 55,162.16 and 22,067.61 is: 30,453.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,972.45 : 55,162.16 = 22,067.61 : x
  2. Step 2: Convert to fraction form
    39,972.45/55,162.16 = 22,067.61/x
  3. Step 3: Cross multiply
    39,972.45x = 55,162.16 × 22,067.61
  4. Step 4: Simplify right side
    39,972.45x = 1,217,297,033.64
  5. Step 5: Solve for x
    x = 1,217,297,033.64/39,972.45
  6. Step 6: Final answer
    x = 30,453.40

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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.