Home / 45,181.82-67,766.94-11,904.45

Finding the Fourth Proportional to 45,181.82, 67,766.94 and 11,904.45

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Solution

The fourth proportional to 45,181.82, 67,766.94 and 11,904.45 is: 17,855.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,181.82 : 67,766.94 = 11,904.45 : x
  2. Step 2: Convert to fraction form
    45,181.82/67,766.94 = 11,904.45/x
  3. Step 3: Cross multiply
    45,181.82x = 67,766.94 × 11,904.45
  4. Step 4: Simplify right side
    45,181.82x = 806,728,148.88
  5. Step 5: Solve for x
    x = 806,728,148.88/45,181.82
  6. Step 6: Final answer
    x = 17,855.15

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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.