Home / 38,476.20-57,708.90-12,183.60

Finding the Fourth Proportional to 38,476.20, 57,708.90 and 12,183.60

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Solution

The fourth proportional to 38,476.20, 57,708.90 and 12,183.60 is: 18,273.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,476.20 : 57,708.90 = 12,183.60 : x
  2. Step 2: Convert to fraction form
    38,476.20/57,708.90 = 12,183.60/x
  3. Step 3: Cross multiply
    38,476.20x = 57,708.90 × 12,183.60
  4. Step 4: Simplify right side
    38,476.20x = 703,102,154.04
  5. Step 5: Solve for x
    x = 703,102,154.04/38,476.20
  6. Step 6: Final answer
    x = 18,273.69

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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.