Home / 36,879.39-50,890.92-21,771.27

Finding the Fourth Proportional to 36,879.39, 50,890.92 and 21,771.27

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Solution

The fourth proportional to 36,879.39, 50,890.92 and 21,771.27 is: 30,042.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,879.39 : 50,890.92 = 21,771.27 : x
  2. Step 2: Convert to fraction form
    36,879.39/50,890.92 = 21,771.27/x
  3. Step 3: Cross multiply
    36,879.39x = 50,890.92 × 21,771.27
  4. Step 4: Simplify right side
    36,879.39x = 1,107,959,959.87
  5. Step 5: Solve for x
    x = 1,107,959,959.87/36,879.39
  6. Step 6: Final answer
    x = 30,042.80

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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.