Home / 29,171.61-43,757.10-19,788.39

Finding the Fourth Proportional to 29,171.61, 43,757.10 and 19,788.39

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Solution

The fourth proportional to 29,171.61, 43,757.10 and 19,788.39 is: 29,682.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,171.61 : 43,757.10 = 19,788.39 : x
  2. Step 2: Convert to fraction form
    29,171.61/43,757.10 = 19,788.39/x
  3. Step 3: Cross multiply
    29,171.61x = 43,757.10 × 19,788.39
  4. Step 4: Simplify right side
    29,171.61x = 865,882,560.07
  5. Step 5: Solve for x
    x = 865,882,560.07/29,171.61
  6. Step 6: Final answer
    x = 29,682.37

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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.