Home / 61,186.82-84,449.37-39,984.26

Finding the Fourth Proportional to 61,186.82, 84,449.37 and 39,984.26

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Solution

The fourth proportional to 61,186.82, 84,449.37 and 39,984.26 is: 55,185.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,186.82 : 84,449.37 = 39,984.26 : x
  2. Step 2: Convert to fraction form
    61,186.82/84,449.37 = 39,984.26/x
  3. Step 3: Cross multiply
    61,186.82x = 84,449.37 × 39,984.26
  4. Step 4: Simplify right side
    61,186.82x = 3,376,645,566.92
  5. Step 5: Solve for x
    x = 3,376,645,566.92/61,186.82
  6. Step 6: Final answer
    x = 55,185.83

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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.