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Finding the Fourth Proportional to 36,809, 50,793.22 and 20,894.12

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Solution

The fourth proportional to 36,809, 50,793.22 and 20,894.12 is: 28,832.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,809 : 50,793.22 = 20,894.12 : x
  2. Step 2: Convert to fraction form
    36,809/50,793.22 = 20,894.12/x
  3. Step 3: Cross multiply
    36,809x = 50,793.22 × 20,894.12
  4. Step 4: Simplify right side
    36,809x = 1,061,279,633.87
  5. Step 5: Solve for x
    x = 1,061,279,633.87/36,809
  6. Step 6: Final answer
    x = 28,832.07

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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.