Home / 36,519.13-50,396.18-20,385.50

Finding the Fourth Proportional to 36,519.13, 50,396.18 and 20,385.50

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Solution

The fourth proportional to 36,519.13, 50,396.18 and 20,385.50 is: 28,131.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,519.13 : 50,396.18 = 20,385.50 : x
  2. Step 2: Convert to fraction form
    36,519.13/50,396.18 = 20,385.50/x
  3. Step 3: Cross multiply
    36,519.13x = 50,396.18 × 20,385.50
  4. Step 4: Simplify right side
    36,519.13x = 1,027,351,504.34
  5. Step 5: Solve for x
    x = 1,027,351,504.34/36,519.13
  6. Step 6: Final answer
    x = 28,131.87

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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.