Home / 36,879.18-50,893.38-20,112.18

Finding the Fourth Proportional to 36,879.18, 50,893.38 and 20,112.18

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Solution

The fourth proportional to 36,879.18, 50,893.38 and 20,112.18 is: 27,754.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,879.18 : 50,893.38 = 20,112.18 : x
  2. Step 2: Convert to fraction form
    36,879.18/50,893.38 = 20,112.18/x
  3. Step 3: Cross multiply
    36,879.18x = 50,893.38 × 20,112.18
  4. Step 4: Simplify right side
    36,879.18x = 1,023,576,819.37
  5. Step 5: Solve for x
    x = 1,023,576,819.37/36,879.18
  6. Step 6: Final answer
    x = 27,754.87

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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.