Home / 38,408.11-57,570.55-19,662.44

Finding the Fourth Proportional to 38,408.11, 57,570.55 and 19,662.44

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Solution

The fourth proportional to 38,408.11, 57,570.55 and 19,662.44 is: 29,472.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,408.11 : 57,570.55 = 19,662.44 : x
  2. Step 2: Convert to fraction form
    38,408.11/57,570.55 = 19,662.44/x
  3. Step 3: Cross multiply
    38,408.11x = 57,570.55 × 19,662.44
  4. Step 4: Simplify right side
    38,408.11x = 1,131,977,148.13
  5. Step 5: Solve for x
    x = 1,131,977,148.13/38,408.11
  6. Step 6: Final answer
    x = 29,472.35

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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.