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Finding the Fourth Proportional to 41,481.40, 62,222.10 and 13,779.40

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Solution

The fourth proportional to 41,481.40, 62,222.10 and 13,779.40 is: 20,669.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,481.40 : 62,222.10 = 13,779.40 : x
  2. Step 2: Convert to fraction form
    41,481.40/62,222.10 = 13,779.40/x
  3. Step 3: Cross multiply
    41,481.40x = 62,222.10 × 13,779.40
  4. Step 4: Simplify right side
    41,481.40x = 857,383,204.74
  5. Step 5: Solve for x
    x = 857,383,204.74/41,481.40
  6. Step 6: Final answer
    x = 20,669.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.