Home / 43,954.92-65,902.35-21,146.73

Finding the Fourth Proportional to 43,954.92, 65,902.35 and 21,146.73

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Solution

The fourth proportional to 43,954.92, 65,902.35 and 21,146.73 is: 31,705.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,954.92 : 65,902.35 = 21,146.73 : x
  2. Step 2: Convert to fraction form
    43,954.92/65,902.35 = 21,146.73/x
  3. Step 3: Cross multiply
    43,954.92x = 65,902.35 × 21,146.73
  4. Step 4: Simplify right side
    43,954.92x = 1,393,619,201.82
  5. Step 5: Solve for x
    x = 1,393,619,201.82/43,954.92
  6. Step 6: Final answer
    x = 31,705.65

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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.