Home / 39,198.96-54,064.76-27,119.55

Finding the Fourth Proportional to 39,198.96, 54,064.76 and 27,119.55

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Solution

The fourth proportional to 39,198.96, 54,064.76 and 27,119.55 is: 37,404.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,198.96 : 54,064.76 = 27,119.55 : x
  2. Step 2: Convert to fraction form
    39,198.96/54,064.76 = 27,119.55/x
  3. Step 3: Cross multiply
    39,198.96x = 54,064.76 × 27,119.55
  4. Step 4: Simplify right side
    39,198.96x = 1,466,211,826.46
  5. Step 5: Solve for x
    x = 1,466,211,826.46/39,198.96
  6. Step 6: Final answer
    x = 37,404.36

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Half scale
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Double scale
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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.