Home / 36,290.46-50,082.12-21,192.78

Finding the Fourth Proportional to 36,290.46, 50,082.12 and 21,192.78

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Solution

The fourth proportional to 36,290.46, 50,082.12 and 21,192.78 is: 29,246.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,290.46 : 50,082.12 = 21,192.78 : x
  2. Step 2: Convert to fraction form
    36,290.46/50,082.12 = 21,192.78/x
  3. Step 3: Cross multiply
    36,290.46x = 50,082.12 × 21,192.78
  4. Step 4: Simplify right side
    36,290.46x = 1,061,379,351.09
  5. Step 5: Solve for x
    x = 1,061,379,351.09/36,290.46
  6. Step 6: Final answer
    x = 29,246.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.