Home / 36,286.28-54,425.34-12,589.46

Finding the Fourth Proportional to 36,286.28, 54,425.34 and 12,589.46

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Solution

The fourth proportional to 36,286.28, 54,425.34 and 12,589.46 is: 18,882.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,286.28 : 54,425.34 = 12,589.46 : x
  2. Step 2: Convert to fraction form
    36,286.28/54,425.34 = 12,589.46/x
  3. Step 3: Cross multiply
    36,286.28x = 54,425.34 × 12,589.46
  4. Step 4: Simplify right side
    36,286.28x = 685,185,640.92
  5. Step 5: Solve for x
    x = 685,185,640.92/36,286.28
  6. Step 6: Final answer
    x = 18,882.77

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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.