Home / 38,654.97-57,983.66-18,387.30

Finding the Fourth Proportional to 38,654.97, 57,983.66 and 18,387.30

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Solution

The fourth proportional to 38,654.97, 57,983.66 and 18,387.30 is: 27,581.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,654.97 : 57,983.66 = 18,387.30 : x
  2. Step 2: Convert to fraction form
    38,654.97/57,983.66 = 18,387.30/x
  3. Step 3: Cross multiply
    38,654.97x = 57,983.66 × 18,387.30
  4. Step 4: Simplify right side
    38,654.97x = 1,066,163,249.40
  5. Step 5: Solve for x
    x = 1,066,163,249.40/38,654.97
  6. Step 6: Final answer
    x = 27,581.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.