Home / 36,280.20-50,067.42-20,365.80

Finding the Fourth Proportional to 36,280.20, 50,067.42 and 20,365.80

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Solution

The fourth proportional to 36,280.20, 50,067.42 and 20,365.80 is: 28,105.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,280.20 : 50,067.42 = 20,365.80 : x
  2. Step 2: Convert to fraction form
    36,280.20/50,067.42 = 20,365.80/x
  3. Step 3: Cross multiply
    36,280.20x = 50,067.42 × 20,365.80
  4. Step 4: Simplify right side
    36,280.20x = 1,019,663,062.24
  5. Step 5: Solve for x
    x = 1,019,663,062.24/36,280.20
  6. Step 6: Final answer
    x = 28,105.22

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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.