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Finding the Fourth Proportional to 41,846.65, 62,774.11 and 13,755.31

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Solution

The fourth proportional to 41,846.65, 62,774.11 and 13,755.31 is: 20,634.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,846.65 : 62,774.11 = 13,755.31 : x
  2. Step 2: Convert to fraction form
    41,846.65/62,774.11 = 13,755.31/x
  3. Step 3: Cross multiply
    41,846.65x = 62,774.11 × 13,755.31
  4. Step 4: Simplify right side
    41,846.65x = 863,477,151.70
  5. Step 5: Solve for x
    x = 863,477,151.70/41,846.65
  6. Step 6: Final answer
    x = 20,634.32

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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.