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Finding the Fourth Proportional to 50,985.44, 76,478 and 13,549.28

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Solution

The fourth proportional to 50,985.44, 76,478 and 13,549.28 is: 20,323.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,985.44 : 76,478 = 13,549.28 : x
  2. Step 2: Convert to fraction form
    50,985.44/76,478 = 13,549.28/x
  3. Step 3: Cross multiply
    50,985.44x = 76,478 × 13,549.28
  4. Step 4: Simplify right side
    50,985.44x = 1,036,221,835.84
  5. Step 5: Solve for x
    x = 1,036,221,835.84/50,985.44
  6. Step 6: Final answer
    x = 20,323.88

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