Home / 41,982.70-62,960.82-13,896.40

Finding the Fourth Proportional to 41,982.70, 62,960.82 and 13,896.40

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Solution

The fourth proportional to 41,982.70, 62,960.82 and 13,896.40 is: 20,840.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,982.70 : 62,960.82 = 13,896.40 : x
  2. Step 2: Convert to fraction form
    41,982.70/62,960.82 = 13,896.40/x
  3. Step 3: Cross multiply
    41,982.70x = 62,960.82 × 13,896.40
  4. Step 4: Simplify right side
    41,982.70x = 874,928,739.05
  5. Step 5: Solve for x
    x = 874,928,739.05/41,982.70
  6. Step 6: Final answer
    x = 20,840.22

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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.