Home / 38,660.97-57,992.67-18,393.30

Finding the Fourth Proportional to 38,660.97, 57,992.67 and 18,393.30

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Solution

The fourth proportional to 38,660.97, 57,992.67 and 18,393.30 is: 27,590.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,660.97 : 57,992.67 = 18,393.30 : x
  2. Step 2: Convert to fraction form
    38,660.97/57,992.67 = 18,393.30/x
  3. Step 3: Cross multiply
    38,660.97x = 57,992.67 × 18,393.30
  4. Step 4: Simplify right side
    38,660.97x = 1,066,676,577.11
  5. Step 5: Solve for x
    x = 1,066,676,577.11/38,660.97
  6. Step 6: Final answer
    x = 27,590.53

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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.