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Finding the Fourth Proportional to 43,910.49, 65,865.90 and 10,630.50

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Solution

The fourth proportional to 43,910.49, 65,865.90 and 10,630.50 is: 15,945.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,910.49 : 65,865.90 = 10,630.50 : x
  2. Step 2: Convert to fraction form
    43,910.49/65,865.90 = 10,630.50/x
  3. Step 3: Cross multiply
    43,910.49x = 65,865.90 × 10,630.50
  4. Step 4: Simplify right side
    43,910.49x = 700,187,449.95
  5. Step 5: Solve for x
    x = 700,187,449.95/43,910.49
  6. Step 6: Final answer
    x = 15,945.79

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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.