Home / 39,644.87-54,711.20-22,645.49

Finding the Fourth Proportional to 39,644.87, 54,711.20 and 22,645.49

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Solution

The fourth proportional to 39,644.87, 54,711.20 and 22,645.49 is: 31,251.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,644.87 : 54,711.20 = 22,645.49 : x
  2. Step 2: Convert to fraction form
    39,644.87/54,711.20 = 22,645.49/x
  3. Step 3: Cross multiply
    39,644.87x = 54,711.20 × 22,645.49
  4. Step 4: Simplify right side
    39,644.87x = 1,238,961,819.26
  5. Step 5: Solve for x
    x = 1,238,961,819.26/39,644.87
  6. Step 6: Final answer
    x = 31,251.50

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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.