Home / 38,262.26-57,391.82-13,307.96

Finding the Fourth Proportional to 38,262.26, 57,391.82 and 13,307.96

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Solution

The fourth proportional to 38,262.26, 57,391.82 and 13,307.96 is: 19,961.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,262.26 : 57,391.82 = 13,307.96 : x
  2. Step 2: Convert to fraction form
    38,262.26/57,391.82 = 13,307.96/x
  3. Step 3: Cross multiply
    38,262.26x = 57,391.82 × 13,307.96
  4. Step 4: Simplify right side
    38,262.26x = 763,768,044.89
  5. Step 5: Solve for x
    x = 763,768,044.89/38,262.26
  6. Step 6: Final answer
    x = 19,961.39

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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.