Home / 47,949.82-66,171.03-27,818.68

Finding the Fourth Proportional to 47,949.82, 66,171.03 and 27,818.68

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Solution

The fourth proportional to 47,949.82, 66,171.03 and 27,818.68 is: 38,389.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,949.82 : 66,171.03 = 27,818.68 : x
  2. Step 2: Convert to fraction form
    47,949.82/66,171.03 = 27,818.68/x
  3. Step 3: Cross multiply
    47,949.82x = 66,171.03 × 27,818.68
  4. Step 4: Simplify right side
    47,949.82x = 1,840,790,708.84
  5. Step 5: Solve for x
    x = 1,840,790,708.84/47,949.82
  6. Step 6: Final answer
    x = 38,389.94

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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.