Home / 65,446.38-98,164.44-21,061.62

Finding the Fourth Proportional to 65,446.38, 98,164.44 and 21,061.62

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Solution

The fourth proportional to 65,446.38, 98,164.44 and 21,061.62 is: 31,590.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,446.38 : 98,164.44 = 21,061.62 : x
  2. Step 2: Convert to fraction form
    65,446.38/98,164.44 = 21,061.62/x
  3. Step 3: Cross multiply
    65,446.38x = 98,164.44 × 21,061.62
  4. Step 4: Simplify right side
    65,446.38x = 2,067,502,132.79
  5. Step 5: Solve for x
    x = 2,067,502,132.79/65,446.38
  6. Step 6: Final answer
    x = 31,590.78

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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.