Home / 38,474.99-57,722.73-12,180.27

Finding the Fourth Proportional to 38,474.99, 57,722.73 and 12,180.27

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Solution

The fourth proportional to 38,474.99, 57,722.73 and 12,180.27 is: 18,273.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,474.99 : 57,722.73 = 12,180.27 : x
  2. Step 2: Convert to fraction form
    38,474.99/57,722.73 = 12,180.27/x
  3. Step 3: Cross multiply
    38,474.99x = 57,722.73 × 12,180.27
  4. Step 4: Simplify right side
    38,474.99x = 703,078,375.64
  5. Step 5: Solve for x
    x = 703,078,375.64/38,474.99
  6. Step 6: Final answer
    x = 18,273.65

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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.