Home / 33,161.72-45,749.93-19,728.06

Finding the Fourth Proportional to 33,161.72, 45,749.93 and 19,728.06

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Solution

The fourth proportional to 33,161.72, 45,749.93 and 19,728.06 is: 27,216.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,161.72 : 45,749.93 = 19,728.06 : x
  2. Step 2: Convert to fraction form
    33,161.72/45,749.93 = 19,728.06/x
  3. Step 3: Cross multiply
    33,161.72x = 45,749.93 × 19,728.06
  4. Step 4: Simplify right side
    33,161.72x = 902,557,265.40
  5. Step 5: Solve for x
    x = 902,557,265.40/33,161.72
  6. Step 6: Final answer
    x = 27,216.85

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