Home / 38,713.20-57,940.20-34,047.60

Finding the Fourth Proportional to 38,713.20, 57,940.20 and 34,047.60

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Solution

The fourth proportional to 38,713.20, 57,940.20 and 34,047.60 is: 50,957.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,713.20 : 57,940.20 = 34,047.60 : x
  2. Step 2: Convert to fraction form
    38,713.20/57,940.20 = 34,047.60/x
  3. Step 3: Cross multiply
    38,713.20x = 57,940.20 × 34,047.60
  4. Step 4: Simplify right side
    38,713.20x = 1,972,724,753.52
  5. Step 5: Solve for x
    x = 1,972,724,753.52/38,713.20
  6. Step 6: Final answer
    x = 50,957.42

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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.