Home / 29,103.35-43,676.76-19,721.12

Finding the Fourth Proportional to 29,103.35, 43,676.76 and 19,721.12

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Solution

The fourth proportional to 29,103.35, 43,676.76 and 19,721.12 is: 29,596.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,103.35 : 43,676.76 = 19,721.12 : x
  2. Step 2: Convert to fraction form
    29,103.35/43,676.76 = 19,721.12/x
  3. Step 3: Cross multiply
    29,103.35x = 43,676.76 × 19,721.12
  4. Step 4: Simplify right side
    29,103.35x = 861,354,625.17
  5. Step 5: Solve for x
    x = 861,354,625.17/29,103.35
  6. Step 6: Final answer
    x = 29,596.41

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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.