Home / 41,921.70-62,869.19-13,836.54

Finding the Fourth Proportional to 41,921.70, 62,869.19 and 13,836.54

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Solution

The fourth proportional to 41,921.70, 62,869.19 and 13,836.54 is: 20,750.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,921.70 : 62,869.19 = 13,836.54 : x
  2. Step 2: Convert to fraction form
    41,921.70/62,869.19 = 13,836.54/x
  3. Step 3: Cross multiply
    41,921.70x = 62,869.19 × 13,836.54
  4. Step 4: Simplify right side
    41,921.70x = 869,891,993.02
  5. Step 5: Solve for x
    x = 869,891,993.02/41,921.70
  6. Step 6: Final answer
    x = 20,750.40

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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.