Home / 47,982.13-66,218.59-27,839.02

Finding the Fourth Proportional to 47,982.13, 66,218.59 and 27,839.02

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Solution

The fourth proportional to 47,982.13, 66,218.59 and 27,839.02 is: 38,419.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,982.13 : 66,218.59 = 27,839.02 : x
  2. Step 2: Convert to fraction form
    47,982.13/66,218.59 = 27,839.02/x
  3. Step 3: Cross multiply
    47,982.13x = 66,218.59 × 27,839.02
  4. Step 4: Simplify right side
    47,982.13x = 1,843,460,651.38
  5. Step 5: Solve for x
    x = 1,843,460,651.38/47,982.13
  6. Step 6: Final answer
    x = 38,419.73

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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.