Home / 38,408.33-57,570.85-19,662.65

Finding the Fourth Proportional to 38,408.33, 57,570.85 and 19,662.65

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Solution

The fourth proportional to 38,408.33, 57,570.85 and 19,662.65 is: 29,472.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,408.33 : 57,570.85 = 19,662.65 : x
  2. Step 2: Convert to fraction form
    38,408.33/57,570.85 = 19,662.65/x
  3. Step 3: Cross multiply
    38,408.33x = 57,570.85 × 19,662.65
  4. Step 4: Simplify right side
    38,408.33x = 1,131,995,426.37
  5. Step 5: Solve for x
    x = 1,131,995,426.37/38,408.33
  6. Step 6: Final answer
    x = 29,472.66

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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.