Home / 39,481.30-54,520.58-25,358.74

Finding the Fourth Proportional to 39,481.30, 54,520.58 and 25,358.74

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Solution

The fourth proportional to 39,481.30, 54,520.58 and 25,358.74 is: 35,018.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,481.30 : 54,520.58 = 25,358.74 : x
  2. Step 2: Convert to fraction form
    39,481.30/54,520.58 = 25,358.74/x
  3. Step 3: Cross multiply
    39,481.30x = 54,520.58 × 25,358.74
  4. Step 4: Simplify right side
    39,481.30x = 1,382,573,212.87
  5. Step 5: Solve for x
    x = 1,382,573,212.87/39,481.30
  6. Step 6: Final answer
    x = 35,018.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.