Home / 36,236.72-50,006.04-20,321.12

Finding the Fourth Proportional to 36,236.72, 50,006.04 and 20,321.12

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Solution

The fourth proportional to 36,236.72, 50,006.04 and 20,321.12 is: 28,042.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,236.72 : 50,006.04 = 20,321.12 : x
  2. Step 2: Convert to fraction form
    36,236.72/50,006.04 = 20,321.12/x
  3. Step 3: Cross multiply
    36,236.72x = 50,006.04 × 20,321.12
  4. Step 4: Simplify right side
    36,236.72x = 1,016,178,739.56
  5. Step 5: Solve for x
    x = 1,016,178,739.56/36,236.72
  6. Step 6: Final answer
    x = 28,042.79

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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.