Home / 36,312.44-50,112.45-20,396.54

Finding the Fourth Proportional to 36,312.44, 50,112.45 and 20,396.54

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Solution

The fourth proportional to 36,312.44, 50,112.45 and 20,396.54 is: 28,147.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,312.44 : 50,112.45 = 20,396.54 : x
  2. Step 2: Convert to fraction form
    36,312.44/50,112.45 = 20,396.54/x
  3. Step 3: Cross multiply
    36,312.44x = 50,112.45 × 20,396.54
  4. Step 4: Simplify right side
    36,312.44x = 1,022,120,716.20
  5. Step 5: Solve for x
    x = 1,022,120,716.20/36,312.44
  6. Step 6: Final answer
    x = 28,147.95

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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.