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Finding the Fourth Proportional to 43,383.04, 65,068.80 and 12,220.72

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Solution

The fourth proportional to 43,383.04, 65,068.80 and 12,220.72 is: 18,329.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,383.04 : 65,068.80 = 12,220.72 : x
  2. Step 2: Convert to fraction form
    43,383.04/65,068.80 = 12,220.72/x
  3. Step 3: Cross multiply
    43,383.04x = 65,068.80 × 12,220.72
  4. Step 4: Simplify right side
    43,383.04x = 795,187,585.54
  5. Step 5: Solve for x
    x = 795,187,585.54/43,383.04
  6. Step 6: Final answer
    x = 18,329.46

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