Home / 36,385.13-50,211.28-20,469.68

Finding the Fourth Proportional to 36,385.13, 50,211.28 and 20,469.68

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Solution

The fourth proportional to 36,385.13, 50,211.28 and 20,469.68 is: 28,248.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,385.13 : 50,211.28 = 20,469.68 : x
  2. Step 2: Convert to fraction form
    36,385.13/50,211.28 = 20,469.68/x
  3. Step 3: Cross multiply
    36,385.13x = 50,211.28 × 20,469.68
  4. Step 4: Simplify right side
    36,385.13x = 1,027,808,833.99
  5. Step 5: Solve for x
    x = 1,027,808,833.99/36,385.13
  6. Step 6: Final answer
    x = 28,248.05

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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.