Home / 38,150.92-57,208.22-11,856.04

Finding the Fourth Proportional to 38,150.92, 57,208.22 and 11,856.04

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Solution

The fourth proportional to 38,150.92, 57,208.22 and 11,856.04 is: 17,778.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,150.92 : 57,208.22 = 11,856.04 : x
  2. Step 2: Convert to fraction form
    38,150.92/57,208.22 = 11,856.04/x
  3. Step 3: Cross multiply
    38,150.92x = 57,208.22 × 11,856.04
  4. Step 4: Simplify right side
    38,150.92x = 678,262,944.65
  5. Step 5: Solve for x
    x = 678,262,944.65/38,150.92
  6. Step 6: Final answer
    x = 17,778.42

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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.