Home / 31,896.97-43,972.19-22,436.17

Finding the Fourth Proportional to 31,896.97, 43,972.19 and 22,436.17

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Solution

The fourth proportional to 31,896.97, 43,972.19 and 22,436.17 is: 30,929.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,896.97 : 43,972.19 = 22,436.17 : x
  2. Step 2: Convert to fraction form
    31,896.97/43,972.19 = 22,436.17/x
  3. Step 3: Cross multiply
    31,896.97x = 43,972.19 × 22,436.17
  4. Step 4: Simplify right side
    31,896.97x = 986,567,530.11
  5. Step 5: Solve for x
    x = 986,567,530.11/31,896.97
  6. Step 6: Final answer
    x = 30,929.82

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1.5x scale

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.