Home / 61,208.82-84,386.97-39,951.18

Finding the Fourth Proportional to 61,208.82, 84,386.97 and 39,951.18

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Solution

The fourth proportional to 61,208.82, 84,386.97 and 39,951.18 is: 55,079.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,208.82 : 84,386.97 = 39,951.18 : x
  2. Step 2: Convert to fraction form
    61,208.82/84,386.97 = 39,951.18/x
  3. Step 3: Cross multiply
    61,208.82x = 84,386.97 × 39,951.18
  4. Step 4: Simplify right side
    61,208.82x = 3,371,359,028.12
  5. Step 5: Solve for x
    x = 3,371,359,028.12/61,208.82
  6. Step 6: Final answer
    x = 55,079.63

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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.