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Finding the Fourth Proportional to 51,296.40, 70,792.92 and 30,087.36

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Solution

The fourth proportional to 51,296.40, 70,792.92 and 30,087.36 is: 41,522.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,296.40 : 70,792.92 = 30,087.36 : x
  2. Step 2: Convert to fraction form
    51,296.40/70,792.92 = 30,087.36/x
  3. Step 3: Cross multiply
    51,296.40x = 70,792.92 × 30,087.36
  4. Step 4: Simplify right side
    51,296.40x = 2,129,972,069.49
  5. Step 5: Solve for x
    x = 2,129,972,069.49/51,296.40
  6. Step 6: Final answer
    x = 41,522.84

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