Home / 65,679.43-98,532.99-21,302.73

Finding the Fourth Proportional to 65,679.43, 98,532.99 and 21,302.73

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Solution

The fourth proportional to 65,679.43, 98,532.99 and 21,302.73 is: 31,958.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,679.43 : 98,532.99 = 21,302.73 : x
  2. Step 2: Convert to fraction form
    65,679.43/98,532.99 = 21,302.73/x
  3. Step 3: Cross multiply
    65,679.43x = 98,532.99 × 21,302.73
  4. Step 4: Simplify right side
    65,679.43x = 2,099,021,082.88
  5. Step 5: Solve for x
    x = 2,099,021,082.88/65,679.43
  6. Step 6: Final answer
    x = 31,958.58

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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.