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Finding the Fourth Proportional to 73,788.30, 110,670.57 and 21,185.82

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Solution

The fourth proportional to 73,788.30, 110,670.57 and 21,185.82 is: 31,775.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,788.30 : 110,670.57 = 21,185.82 : x
  2. Step 2: Convert to fraction form
    73,788.30/110,670.57 = 21,185.82/x
  3. Step 3: Cross multiply
    73,788.30x = 110,670.57 × 21,185.82
  4. Step 4: Simplify right side
    73,788.30x = 2,344,646,775.32
  5. Step 5: Solve for x
    x = 2,344,646,775.32/73,788.30
  6. Step 6: Final answer
    x = 31,775.32

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