Home / 65,679.13-98,532.53-21,302.43

Finding the Fourth Proportional to 65,679.13, 98,532.53 and 21,302.43

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Solution

The fourth proportional to 65,679.13, 98,532.53 and 21,302.43 is: 31,958.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,679.13 : 98,532.53 = 21,302.43 : x
  2. Step 2: Convert to fraction form
    65,679.13/98,532.53 = 21,302.43/x
  3. Step 3: Cross multiply
    65,679.13x = 98,532.53 × 21,302.43
  4. Step 4: Simplify right side
    65,679.13x = 2,098,982,323.05
  5. Step 5: Solve for x
    x = 2,098,982,323.05/65,679.13
  6. Step 6: Final answer
    x = 31,958.13

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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.