Home / 36,004.20-54,016.47-12,316.87

Finding the Fourth Proportional to 36,004.20, 54,016.47 and 12,316.87

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Solution

The fourth proportional to 36,004.20, 54,016.47 and 12,316.87 is: 18,478.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,004.20 : 54,016.47 = 12,316.87 : x
  2. Step 2: Convert to fraction form
    36,004.20/54,016.47 = 12,316.87/x
  3. Step 3: Cross multiply
    36,004.20x = 54,016.47 × 12,316.87
  4. Step 4: Simplify right side
    36,004.20x = 665,313,838.85
  5. Step 5: Solve for x
    x = 665,313,838.85/36,004.20
  6. Step 6: Final answer
    x = 18,478.78

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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.