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Finding the Fourth Proportional to 37,146.72, 51,249.99 and 21,219.90

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Solution

The fourth proportional to 37,146.72, 51,249.99 and 21,219.90 is: 29,276.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,146.72 : 51,249.99 = 21,219.90 : x
  2. Step 2: Convert to fraction form
    37,146.72/51,249.99 = 21,219.90/x
  3. Step 3: Cross multiply
    37,146.72x = 51,249.99 × 21,219.90
  4. Step 4: Simplify right side
    37,146.72x = 1,087,519,662.80
  5. Step 5: Solve for x
    x = 1,087,519,662.80/37,146.72
  6. Step 6: Final answer
    x = 29,276.33

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