Home / 69,181.22-103,771.91-19,261.43

Finding the Fourth Proportional to 69,181.22, 103,771.91 and 19,261.43

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Solution

The fourth proportional to 69,181.22, 103,771.91 and 19,261.43 is: 28,892.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,181.22 : 103,771.91 = 19,261.43 : x
  2. Step 2: Convert to fraction form
    69,181.22/103,771.91 = 19,261.43/x
  3. Step 3: Cross multiply
    69,181.22x = 103,771.91 × 19,261.43
  4. Step 4: Simplify right side
    69,181.22x = 1,998,795,493.44
  5. Step 5: Solve for x
    x = 1,998,795,493.44/69,181.22
  6. Step 6: Final answer
    x = 28,892.17

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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.