Home / 43,821.38-65,705.74-17,135.60

Finding the Fourth Proportional to 43,821.38, 65,705.74 and 17,135.60

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Solution

The fourth proportional to 43,821.38, 65,705.74 and 17,135.60 is: 25,693.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,821.38 : 65,705.74 = 17,135.60 : x
  2. Step 2: Convert to fraction form
    43,821.38/65,705.74 = 17,135.60/x
  3. Step 3: Cross multiply
    43,821.38x = 65,705.74 × 17,135.60
  4. Step 4: Simplify right side
    43,821.38x = 1,125,906,906.98
  5. Step 5: Solve for x
    x = 1,125,906,906.98/43,821.38
  6. Step 6: Final answer
    x = 25,693.09

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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.