Home / 36,197.15-49,942.61-20,879.99

Finding the Fourth Proportional to 36,197.15, 49,942.61 and 20,879.99

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Solution

The fourth proportional to 36,197.15, 49,942.61 and 20,879.99 is: 28,808.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,197.15 : 49,942.61 = 20,879.99 : x
  2. Step 2: Convert to fraction form
    36,197.15/49,942.61 = 20,879.99/x
  3. Step 3: Cross multiply
    36,197.15x = 49,942.61 × 20,879.99
  4. Step 4: Simplify right side
    36,197.15x = 1,042,801,092.97
  5. Step 5: Solve for x
    x = 1,042,801,092.97/36,197.15
  6. Step 6: Final answer
    x = 28,808.93

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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.