Home / 65,530.05-98,294.92-18,144.99

Finding the Fourth Proportional to 65,530.05, 98,294.92 and 18,144.99

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Solution

The fourth proportional to 65,530.05, 98,294.92 and 18,144.99 is: 27,217.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,530.05 : 98,294.92 = 18,144.99 : x
  2. Step 2: Convert to fraction form
    65,530.05/98,294.92 = 18,144.99/x
  3. Step 3: Cross multiply
    65,530.05x = 98,294.92 × 18,144.99
  4. Step 4: Simplify right side
    65,530.05x = 1,783,560,003.99
  5. Step 5: Solve for x
    x = 1,783,560,003.99/65,530.05
  6. Step 6: Final answer
    x = 27,217.44

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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.