Home / 38,083.30-57,161.84-18,375.70

Finding the Fourth Proportional to 38,083.30, 57,161.84 and 18,375.70

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Solution

The fourth proportional to 38,083.30, 57,161.84 and 18,375.70 is: 27,581.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,083.30 : 57,161.84 = 18,375.70 : x
  2. Step 2: Convert to fraction form
    38,083.30/57,161.84 = 18,375.70/x
  3. Step 3: Cross multiply
    38,083.30x = 57,161.84 × 18,375.70
  4. Step 4: Simplify right side
    38,083.30x = 1,050,388,823.29
  5. Step 5: Solve for x
    x = 1,050,388,823.29/38,083.30
  6. Step 6: Final answer
    x = 27,581.35

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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.