Home / 65,971.33-98,920.14-21,586.17

Finding the Fourth Proportional to 65,971.33, 98,920.14 and 21,586.17

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Solution

The fourth proportional to 65,971.33, 98,920.14 and 21,586.17 is: 32,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,971.33 : 98,920.14 = 21,586.17 : x
  2. Step 2: Convert to fraction form
    65,971.33/98,920.14 = 21,586.17/x
  3. Step 3: Cross multiply
    65,971.33x = 98,920.14 × 21,586.17
  4. Step 4: Simplify right side
    65,971.33x = 2,135,306,958.46
  5. Step 5: Solve for x
    x = 2,135,306,958.46/65,971.33
  6. Step 6: Final answer
    x = 32,367.20

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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.