Home / 45,351.82-68,012.61-19,051.66

Finding the Fourth Proportional to 45,351.82, 68,012.61 and 19,051.66

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Solution

The fourth proportional to 45,351.82, 68,012.61 and 19,051.66 is: 28,571.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,351.82 : 68,012.61 = 19,051.66 : x
  2. Step 2: Convert to fraction form
    45,351.82/68,012.61 = 19,051.66/x
  3. Step 3: Cross multiply
    45,351.82x = 68,012.61 × 19,051.66
  4. Step 4: Simplify right side
    45,351.82x = 1,295,753,121.43
  5. Step 5: Solve for x
    x = 1,295,753,121.43/45,351.82
  6. Step 6: Final answer
    x = 28,571.14

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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.