Home / 65,511.24-98,249.85-18,753.18

Finding the Fourth Proportional to 65,511.24, 98,249.85 and 18,753.18

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Solution

The fourth proportional to 65,511.24, 98,249.85 and 18,753.18 is: 28,124.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,511.24 : 98,249.85 = 18,753.18 : x
  2. Step 2: Convert to fraction form
    65,511.24/98,249.85 = 18,753.18/x
  3. Step 3: Cross multiply
    65,511.24x = 98,249.85 × 18,753.18
  4. Step 4: Simplify right side
    65,511.24x = 1,842,497,122.02
  5. Step 5: Solve for x
    x = 1,842,497,122.02/65,511.24
  6. Step 6: Final answer
    x = 28,124.90

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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.