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Finding the Fourth Proportional to 51,966.80, 77,950.20 and 36,220.40

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Solution

The fourth proportional to 51,966.80, 77,950.20 and 36,220.40 is: 54,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,966.80 : 77,950.20 = 36,220.40 : x
  2. Step 2: Convert to fraction form
    51,966.80/77,950.20 = 36,220.40/x
  3. Step 3: Cross multiply
    51,966.80x = 77,950.20 × 36,220.40
  4. Step 4: Simplify right side
    51,966.80x = 2,823,387,424.08
  5. Step 5: Solve for x
    x = 2,823,387,424.08/51,966.80
  6. Step 6: Final answer
    x = 54,330.60

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