Home / 37,179.20-55,750.88-21,601.28

Finding the Fourth Proportional to 37,179.20, 55,750.88 and 21,601.28

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Solution

The fourth proportional to 37,179.20, 55,750.88 and 21,601.28 is: 32,391.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,179.20 : 55,750.88 = 21,601.28 : x
  2. Step 2: Convert to fraction form
    37,179.20/55,750.88 = 21,601.28/x
  3. Step 3: Cross multiply
    37,179.20x = 55,750.88 × 21,601.28
  4. Step 4: Simplify right side
    37,179.20x = 1,204,290,369.13
  5. Step 5: Solve for x
    x = 1,204,290,369.13/37,179.20
  6. Step 6: Final answer
    x = 32,391.51

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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.