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Finding the Fourth Proportional to 51,992.84, 77,932.15 and 20,393.39

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Solution

The fourth proportional to 51,992.84, 77,932.15 and 20,393.39 is: 30,567.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,992.84 : 77,932.15 = 20,393.39 : x
  2. Step 2: Convert to fraction form
    51,992.84/77,932.15 = 20,393.39/x
  3. Step 3: Cross multiply
    51,992.84x = 77,932.15 × 20,393.39
  4. Step 4: Simplify right side
    51,992.84x = 1,589,300,728.49
  5. Step 5: Solve for x
    x = 1,589,300,728.49/51,992.84
  6. Step 6: Final answer
    x = 30,567.68

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