Home / 40,544.20-60,796.86-20,812.60

Finding the Fourth Proportional to 40,544.20, 60,796.86 and 20,812.60

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Solution

The fourth proportional to 40,544.20, 60,796.86 and 20,812.60 is: 31,208.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,544.20 : 60,796.86 = 20,812.60 : x
  2. Step 2: Convert to fraction form
    40,544.20/60,796.86 = 20,812.60/x
  3. Step 3: Cross multiply
    40,544.20x = 60,796.86 × 20,812.60
  4. Step 4: Simplify right side
    40,544.20x = 1,265,340,728.44
  5. Step 5: Solve for x
    x = 1,265,340,728.44/40,544.20
  6. Step 6: Final answer
    x = 31,208.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.