Home / 38,648.86-57,993.05-18,408.52

Finding the Fourth Proportional to 38,648.86, 57,993.05 and 18,408.52

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Solution

The fourth proportional to 38,648.86, 57,993.05 and 18,408.52 is: 27,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,648.86 : 57,993.05 = 18,408.52 : x
  2. Step 2: Convert to fraction form
    38,648.86/57,993.05 = 18,408.52/x
  3. Step 3: Cross multiply
    38,648.86x = 57,993.05 × 18,408.52
  4. Step 4: Simplify right side
    38,648.86x = 1,067,566,339.30
  5. Step 5: Solve for x
    x = 1,067,566,339.30/38,648.86
  6. Step 6: Final answer
    x = 27,622.20

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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.