Home / 38,371.57-57,557.36-18,633.21

Finding the Fourth Proportional to 38,371.57, 57,557.36 and 18,633.21

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Solution

The fourth proportional to 38,371.57, 57,557.36 and 18,633.21 is: 27,949.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,371.57 : 57,557.36 = 18,633.21 : x
  2. Step 2: Convert to fraction form
    38,371.57/57,557.36 = 18,633.21/x
  3. Step 3: Cross multiply
    38,371.57x = 57,557.36 × 18,633.21
  4. Step 4: Simplify right side
    38,371.57x = 1,072,478,375.93
  5. Step 5: Solve for x
    x = 1,072,478,375.93/38,371.57
  6. Step 6: Final answer
    x = 27,949.82

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Similar ratio
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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.