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Finding the Fourth Proportional to 41,841.81, 62,749.37 and 13,755.36

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Solution

The fourth proportional to 41,841.81, 62,749.37 and 13,755.36 is: 20,628.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,841.81 : 62,749.37 = 13,755.36 : x
  2. Step 2: Convert to fraction form
    41,841.81/62,749.37 = 13,755.36/x
  3. Step 3: Cross multiply
    41,841.81x = 62,749.37 × 13,755.36
  4. Step 4: Simplify right side
    41,841.81x = 863,140,105.35
  5. Step 5: Solve for x
    x = 863,140,105.35/41,841.81
  6. Step 6: Final answer
    x = 20,628.65

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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.