Home / 36,391.28-50,218.99-20,474.78

Finding the Fourth Proportional to 36,391.28, 50,218.99 and 20,474.78

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Solution

The fourth proportional to 36,391.28, 50,218.99 and 20,474.78 is: 28,254.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,391.28 : 50,218.99 = 20,474.78 : x
  2. Step 2: Convert to fraction form
    36,391.28/50,218.99 = 20,474.78/x
  3. Step 3: Cross multiply
    36,391.28x = 50,218.99 × 20,474.78
  4. Step 4: Simplify right side
    36,391.28x = 1,028,222,469.79
  5. Step 5: Solve for x
    x = 1,028,222,469.79/36,391.28
  6. Step 6: Final answer
    x = 28,254.64

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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.