Home / 36,385.80-50,215.32-20,469.30

Finding the Fourth Proportional to 36,385.80, 50,215.32 and 20,469.30

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Solution

The fourth proportional to 36,385.80, 50,215.32 and 20,469.30 is: 28,249.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,385.80 : 50,215.32 = 20,469.30 : x
  2. Step 2: Convert to fraction form
    36,385.80/50,215.32 = 20,469.30/x
  3. Step 3: Cross multiply
    36,385.80x = 50,215.32 × 20,469.30
  4. Step 4: Simplify right side
    36,385.80x = 1,027,872,449.68
  5. Step 5: Solve for x
    x = 1,027,872,449.68/36,385.80
  6. Step 6: Final answer
    x = 28,249.27

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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.