Home / 40,286.76-60,439.55-12,207.03

Finding the Fourth Proportional to 40,286.76, 60,439.55 and 12,207.03

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Solution

The fourth proportional to 40,286.76, 60,439.55 and 12,207.03 is: 18,313.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,286.76 : 60,439.55 = 12,207.03 : x
  2. Step 2: Convert to fraction form
    40,286.76/60,439.55 = 12,207.03/x
  3. Step 3: Cross multiply
    40,286.76x = 60,439.55 × 12,207.03
  4. Step 4: Simplify right side
    40,286.76x = 737,787,339.00
  5. Step 5: Solve for x
    x = 737,787,339.00/40,286.76
  6. Step 6: Final answer
    x = 18,313.39

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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.