Home / 39,198.54-54,064.18-27,119.12

Finding the Fourth Proportional to 39,198.54, 54,064.18 and 27,119.12

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Solution

The fourth proportional to 39,198.54, 54,064.18 and 27,119.12 is: 37,403.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,198.54 : 54,064.18 = 27,119.12 : x
  2. Step 2: Convert to fraction form
    39,198.54/54,064.18 = 27,119.12/x
  3. Step 3: Cross multiply
    39,198.54x = 54,064.18 × 27,119.12
  4. Step 4: Simplify right side
    39,198.54x = 1,466,172,985.12
  5. Step 5: Solve for x
    x = 1,466,172,985.12/39,198.54
  6. Step 6: Final answer
    x = 37,403.77

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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.