Home / 38,563.28-57,794.36-21,930.96

Finding the Fourth Proportional to 38,563.28, 57,794.36 and 21,930.96

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Solution

The fourth proportional to 38,563.28, 57,794.36 and 21,930.96 is: 32,867.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,563.28 : 57,794.36 = 21,930.96 : x
  2. Step 2: Convert to fraction form
    38,563.28/57,794.36 = 21,930.96/x
  3. Step 3: Cross multiply
    38,563.28x = 57,794.36 × 21,930.96
  4. Step 4: Simplify right side
    38,563.28x = 1,267,485,797.39
  5. Step 5: Solve for x
    x = 1,267,485,797.39/38,563.28
  6. Step 6: Final answer
    x = 32,867.69

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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.