Home / 38,282.38-57,340.44-18,519.49

Finding the Fourth Proportional to 38,282.38, 57,340.44 and 18,519.49

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Solution

The fourth proportional to 38,282.38, 57,340.44 and 18,519.49 is: 27,739.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,282.38 : 57,340.44 = 18,519.49 : x
  2. Step 2: Convert to fraction form
    38,282.38/57,340.44 = 18,519.49/x
  3. Step 3: Cross multiply
    38,282.38x = 57,340.44 × 18,519.49
  4. Step 4: Simplify right side
    38,282.38x = 1,061,915,705.18
  5. Step 5: Solve for x
    x = 1,061,915,705.18/38,282.38
  6. Step 6: Final answer
    x = 27,739.02

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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.