Home / 36,215.64-49,976.72-20,082.88

Finding the Fourth Proportional to 36,215.64, 49,976.72 and 20,082.88

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Solution

The fourth proportional to 36,215.64, 49,976.72 and 20,082.88 is: 27,713.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,215.64 : 49,976.72 = 20,082.88 : x
  2. Step 2: Convert to fraction form
    36,215.64/49,976.72 = 20,082.88/x
  3. Step 3: Cross multiply
    36,215.64x = 49,976.72 × 20,082.88
  4. Step 4: Simplify right side
    36,215.64x = 1,003,676,470.55
  5. Step 5: Solve for x
    x = 1,003,676,470.55/36,215.64
  6. Step 6: Final answer
    x = 27,713.90

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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.