Home / 39,947.70-55,125.45-22,044.39

Finding the Fourth Proportional to 39,947.70, 55,125.45 and 22,044.39

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Solution

The fourth proportional to 39,947.70, 55,125.45 and 22,044.39 is: 30,419.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,947.70 : 55,125.45 = 22,044.39 : x
  2. Step 2: Convert to fraction form
    39,947.70/55,125.45 = 22,044.39/x
  3. Step 3: Cross multiply
    39,947.70x = 55,125.45 × 22,044.39
  4. Step 4: Simplify right side
    39,947.70x = 1,215,206,918.73
  5. Step 5: Solve for x
    x = 1,215,206,918.73/39,947.70
  6. Step 6: Final answer
    x = 30,419.95

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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.