Home / 41,921.76-57,876-27,793.80

Finding the Fourth Proportional to 41,921.76, 57,876 and 27,793.80

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Solution

The fourth proportional to 41,921.76, 57,876 and 27,793.80 is: 38,371.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,921.76 : 57,876 = 27,793.80 : x
  2. Step 2: Convert to fraction form
    41,921.76/57,876 = 27,793.80/x
  3. Step 3: Cross multiply
    41,921.76x = 57,876 × 27,793.80
  4. Step 4: Simplify right side
    41,921.76x = 1,608,593,968.80
  5. Step 5: Solve for x
    x = 1,608,593,968.80/41,921.76
  6. Step 6: Final answer
    x = 38,371.34

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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.