Home / 55,193.03-82,791.56-19,656.97

Finding the Fourth Proportional to 55,193.03, 82,791.56 and 19,656.97

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Solution

The fourth proportional to 55,193.03, 82,791.56 and 19,656.97 is: 29,486.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,193.03 : 82,791.56 = 19,656.97 : x
  2. Step 2: Convert to fraction form
    55,193.03/82,791.56 = 19,656.97/x
  3. Step 3: Cross multiply
    55,193.03x = 82,791.56 × 19,656.97
  4. Step 4: Simplify right side
    55,193.03x = 1,627,430,797.22
  5. Step 5: Solve for x
    x = 1,627,430,797.22/55,193.03
  6. Step 6: Final answer
    x = 29,486.17

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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.