Home / 65,511.97-98,269.87-18,127.44

Finding the Fourth Proportional to 65,511.97, 98,269.87 and 18,127.44

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Solution

The fourth proportional to 65,511.97, 98,269.87 and 18,127.44 is: 27,191.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,511.97 : 98,269.87 = 18,127.44 : x
  2. Step 2: Convert to fraction form
    65,511.97/98,269.87 = 18,127.44/x
  3. Step 3: Cross multiply
    65,511.97x = 98,269.87 × 18,127.44
  4. Step 4: Simplify right side
    65,511.97x = 1,781,381,081.60
  5. Step 5: Solve for x
    x = 1,781,381,081.60/65,511.97
  6. Step 6: Final answer
    x = 27,191.69

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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.