Home / 47,530.92-71,272.38-27,815.40

Finding the Fourth Proportional to 47,530.92, 71,272.38 and 27,815.40

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Solution

The fourth proportional to 47,530.92, 71,272.38 and 27,815.40 is: 41,709.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,530.92 : 71,272.38 = 27,815.40 : x
  2. Step 2: Convert to fraction form
    47,530.92/71,272.38 = 27,815.40/x
  3. Step 3: Cross multiply
    47,530.92x = 71,272.38 × 27,815.40
  4. Step 4: Simplify right side
    47,530.92x = 1,982,469,758.65
  5. Step 5: Solve for x
    x = 1,982,469,758.65/47,530.92
  6. Step 6: Final answer
    x = 41,709.06

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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.