Home / 33,431.32-50,151.06-12,367.78

Finding the Fourth Proportional to 33,431.32, 50,151.06 and 12,367.78

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Solution

The fourth proportional to 33,431.32, 50,151.06 and 12,367.78 is: 18,553.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,431.32 : 50,151.06 = 12,367.78 : x
  2. Step 2: Convert to fraction form
    33,431.32/50,151.06 = 12,367.78/x
  3. Step 3: Cross multiply
    33,431.32x = 50,151.06 × 12,367.78
  4. Step 4: Simplify right side
    33,431.32x = 620,257,276.85
  5. Step 5: Solve for x
    x = 620,257,276.85/33,431.32
  6. Step 6: Final answer
    x = 18,553.18

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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.