Home / 39,916.62-55,083.96-22,011.30

Finding the Fourth Proportional to 39,916.62, 55,083.96 and 22,011.30

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Solution

The fourth proportional to 39,916.62, 55,083.96 and 22,011.30 is: 30,375.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,916.62 : 55,083.96 = 22,011.30 : x
  2. Step 2: Convert to fraction form
    39,916.62/55,083.96 = 22,011.30/x
  3. Step 3: Cross multiply
    39,916.62x = 55,083.96 × 22,011.30
  4. Step 4: Simplify right side
    39,916.62x = 1,212,469,568.75
  5. Step 5: Solve for x
    x = 1,212,469,568.75/39,916.62
  6. Step 6: Final answer
    x = 30,375.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.