Home / 66,394.97-91,624.23-36,181.61

Finding the Fourth Proportional to 66,394.97, 91,624.23 and 36,181.61

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Solution

The fourth proportional to 66,394.97, 91,624.23 and 36,181.61 is: 49,930.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,394.97 : 91,624.23 = 36,181.61 : x
  2. Step 2: Convert to fraction form
    66,394.97/91,624.23 = 36,181.61/x
  3. Step 3: Cross multiply
    66,394.97x = 91,624.23 × 36,181.61
  4. Step 4: Simplify right side
    66,394.97x = 3,315,111,975.50
  5. Step 5: Solve for x
    x = 3,315,111,975.50/66,394.97
  6. Step 6: Final answer
    x = 49,930.17

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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.