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Finding the Fourth Proportional to 52,255.94, 78,388.16 and 31,338.70

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Solution

The fourth proportional to 52,255.94, 78,388.16 and 31,338.70 is: 47,010.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,255.94 : 78,388.16 = 31,338.70 : x
  2. Step 2: Convert to fraction form
    52,255.94/78,388.16 = 31,338.70/x
  3. Step 3: Cross multiply
    52,255.94x = 78,388.16 × 31,338.70
  4. Step 4: Simplify right side
    52,255.94x = 2,456,582,677.13
  5. Step 5: Solve for x
    x = 2,456,582,677.13/52,255.94
  6. Step 6: Final answer
    x = 47,010.60

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