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Finding the Fourth Proportional to 34,158.22, 51,137.70 and 20,970.62

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Solution

The fourth proportional to 34,158.22, 51,137.70 and 20,970.62 is: 31,394.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,158.22 : 51,137.70 = 20,970.62 : x
  2. Step 2: Convert to fraction form
    34,158.22/51,137.70 = 20,970.62/x
  3. Step 3: Cross multiply
    34,158.22x = 51,137.70 × 20,970.62
  4. Step 4: Simplify right side
    34,158.22x = 1,072,389,274.37
  5. Step 5: Solve for x
    x = 1,072,389,274.37/34,158.22
  6. Step 6: Final answer
    x = 31,394.76

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