Home / 66,396.29-91,625.68-36,181.86

Finding the Fourth Proportional to 66,396.29, 91,625.68 and 36,181.86

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Solution

The fourth proportional to 66,396.29, 91,625.68 and 36,181.86 is: 49,930.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,396.29 : 91,625.68 = 36,181.86 : x
  2. Step 2: Convert to fraction form
    66,396.29/91,625.68 = 36,181.86/x
  3. Step 3: Cross multiply
    66,396.29x = 91,625.68 × 36,181.86
  4. Step 4: Simplify right side
    66,396.29x = 3,315,187,227.80
  5. Step 5: Solve for x
    x = 3,315,187,227.80/66,396.29
  6. Step 6: Final answer
    x = 49,930.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.