Home / 38,269.56-57,409.52-13,306.38

Finding the Fourth Proportional to 38,269.56, 57,409.52 and 13,306.38

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Solution

The fourth proportional to 38,269.56, 57,409.52 and 13,306.38 is: 19,961.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,269.56 : 57,409.52 = 13,306.38 : x
  2. Step 2: Convert to fraction form
    38,269.56/57,409.52 = 13,306.38/x
  3. Step 3: Cross multiply
    38,269.56x = 57,409.52 × 13,306.38
  4. Step 4: Simplify right side
    38,269.56x = 763,912,822.21
  5. Step 5: Solve for x
    x = 763,912,822.21/38,269.56
  6. Step 6: Final answer
    x = 19,961.37

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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.