Home / 36,143.11-54,204.26-12,449.70

Finding the Fourth Proportional to 36,143.11, 54,204.26 and 12,449.70

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Solution

The fourth proportional to 36,143.11, 54,204.26 and 12,449.70 is: 18,670.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,143.11 : 54,204.26 = 12,449.70 : x
  2. Step 2: Convert to fraction form
    36,143.11/54,204.26 = 12,449.70/x
  3. Step 3: Cross multiply
    36,143.11x = 54,204.26 × 12,449.70
  4. Step 4: Simplify right side
    36,143.11x = 674,826,818.52
  5. Step 5: Solve for x
    x = 674,826,818.52/36,143.11
  6. Step 6: Final answer
    x = 18,670.97

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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.