Home / 45,793.20-68,728.20-22,439.60

Finding the Fourth Proportional to 45,793.20, 68,728.20 and 22,439.60

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Solution

The fourth proportional to 45,793.20, 68,728.20 and 22,439.60 is: 33,678.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,793.20 : 68,728.20 = 22,439.60 : x
  2. Step 2: Convert to fraction form
    45,793.20/68,728.20 = 22,439.60/x
  3. Step 3: Cross multiply
    45,793.20x = 68,728.20 × 22,439.60
  4. Step 4: Simplify right side
    45,793.20x = 1,542,233,316.72
  5. Step 5: Solve for x
    x = 1,542,233,316.72/45,793.20
  6. Step 6: Final answer
    x = 33,678.22

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1.5x scale

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.