Home / 36,512.87-50,396.90-20,606.54

Finding the Fourth Proportional to 36,512.87, 50,396.90 and 20,606.54

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Solution

The fourth proportional to 36,512.87, 50,396.90 and 20,606.54 is: 28,442.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,512.87 : 50,396.90 = 20,606.54 : x
  2. Step 2: Convert to fraction form
    36,512.87/50,396.90 = 20,606.54/x
  3. Step 3: Cross multiply
    36,512.87x = 50,396.90 × 20,606.54
  4. Step 4: Simplify right side
    36,512.87x = 1,038,505,380.71
  5. Step 5: Solve for x
    x = 1,038,505,380.71/36,512.87
  6. Step 6: Final answer
    x = 28,442.18

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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.