Home / 38,379.39-57,571.14-12,086.18

Finding the Fourth Proportional to 38,379.39, 57,571.14 and 12,086.18

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Solution

The fourth proportional to 38,379.39, 57,571.14 and 12,086.18 is: 18,129.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,379.39 : 57,571.14 = 12,086.18 : x
  2. Step 2: Convert to fraction form
    38,379.39/57,571.14 = 12,086.18/x
  3. Step 3: Cross multiply
    38,379.39x = 57,571.14 × 12,086.18
  4. Step 4: Simplify right side
    38,379.39x = 695,815,160.85
  5. Step 5: Solve for x
    x = 695,815,160.85/38,379.39
  6. Step 6: Final answer
    x = 18,129.92

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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.