Home / 39,789.10-54,906.28-22,793.41

Finding the Fourth Proportional to 39,789.10, 54,906.28 and 22,793.41

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Solution

The fourth proportional to 39,789.10, 54,906.28 and 22,793.41 is: 31,453.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,789.10 : 54,906.28 = 22,793.41 : x
  2. Step 2: Convert to fraction form
    39,789.10/54,906.28 = 22,793.41/x
  3. Step 3: Cross multiply
    39,789.10x = 54,906.28 × 22,793.41
  4. Step 4: Simplify right side
    39,789.10x = 1,251,501,351.61
  5. Step 5: Solve for x
    x = 1,251,501,351.61/39,789.10
  6. Step 6: Final answer
    x = 31,453.37

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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.