Home / 38,021.74-57,023.97-18,290.14

Finding the Fourth Proportional to 38,021.74, 57,023.97 and 18,290.14

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Solution

The fourth proportional to 38,021.74, 57,023.97 and 18,290.14 is: 27,431.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,021.74 : 57,023.97 = 18,290.14 : x
  2. Step 2: Convert to fraction form
    38,021.74/57,023.97 = 18,290.14/x
  3. Step 3: Cross multiply
    38,021.74x = 57,023.97 × 18,290.14
  4. Step 4: Simplify right side
    38,021.74x = 1,042,976,394.66
  5. Step 5: Solve for x
    x = 1,042,976,394.66/38,021.74
  6. Step 6: Final answer
    x = 27,431.05

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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.