Home / 38,119.82-57,103.18-18,339.62

Finding the Fourth Proportional to 38,119.82, 57,103.18 and 18,339.62

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Solution

The fourth proportional to 38,119.82, 57,103.18 and 18,339.62 is: 27,472.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,119.82 : 57,103.18 = 18,339.62 : x
  2. Step 2: Convert to fraction form
    38,119.82/57,103.18 = 18,339.62/x
  3. Step 3: Cross multiply
    38,119.82x = 57,103.18 × 18,339.62
  4. Step 4: Simplify right side
    38,119.82x = 1,047,250,290.63
  5. Step 5: Solve for x
    x = 1,047,250,290.63/38,119.82
  6. Step 6: Final answer
    x = 27,472.60

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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.