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Finding the Fourth Proportional to 50,949.78, 70,309.35 and 28,288.18

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Solution

The fourth proportional to 50,949.78, 70,309.35 and 28,288.18 is: 39,036.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,949.78 : 70,309.35 = 28,288.18 : x
  2. Step 2: Convert to fraction form
    50,949.78/70,309.35 = 28,288.18/x
  3. Step 3: Cross multiply
    50,949.78x = 70,309.35 × 28,288.18
  4. Step 4: Simplify right side
    50,949.78x = 1,988,923,973.06
  5. Step 5: Solve for x
    x = 1,988,923,973.06/50,949.78
  6. Step 6: Final answer
    x = 39,036.95

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