Home / 38,395.38-57,589.18-10,311.79

Finding the Fourth Proportional to 38,395.38, 57,589.18 and 10,311.79

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Solution

The fourth proportional to 38,395.38, 57,589.18 and 10,311.79 is: 15,466.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,395.38 : 57,589.18 = 10,311.79 : x
  2. Step 2: Convert to fraction form
    38,395.38/57,589.18 = 10,311.79/x
  3. Step 3: Cross multiply
    38,395.38x = 57,589.18 × 10,311.79
  4. Step 4: Simplify right side
    38,395.38x = 593,847,190.93
  5. Step 5: Solve for x
    x = 593,847,190.93/38,395.38
  6. Step 6: Final answer
    x = 15,466.63

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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.