Home / 36,245.16-50,018.72-20,112.75

Finding the Fourth Proportional to 36,245.16, 50,018.72 and 20,112.75

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Solution

The fourth proportional to 36,245.16, 50,018.72 and 20,112.75 is: 27,755.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,245.16 : 50,018.72 = 20,112.75 : x
  2. Step 2: Convert to fraction form
    36,245.16/50,018.72 = 20,112.75/x
  3. Step 3: Cross multiply
    36,245.16x = 50,018.72 × 20,112.75
  4. Step 4: Simplify right side
    36,245.16x = 1,006,013,910.12
  5. Step 5: Solve for x
    x = 1,006,013,910.12/36,245.16
  6. Step 6: Final answer
    x = 27,755.81

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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.