Home / 38,195.97-57,259.32-20,645.30

Finding the Fourth Proportional to 38,195.97, 57,259.32 and 20,645.30

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Solution

The fourth proportional to 38,195.97, 57,259.32 and 20,645.30 is: 30,949.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,195.97 : 57,259.32 = 20,645.30 : x
  2. Step 2: Convert to fraction form
    38,195.97/57,259.32 = 20,645.30/x
  3. Step 3: Cross multiply
    38,195.97x = 57,259.32 × 20,645.30
  4. Step 4: Simplify right side
    38,195.97x = 1,182,135,552.90
  5. Step 5: Solve for x
    x = 1,182,135,552.90/38,195.97
  6. Step 6: Final answer
    x = 30,949.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.