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Finding the Fourth Proportional to 53,018.64, 73,165.77 and 29,145.72

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Solution

The fourth proportional to 53,018.64, 73,165.77 and 29,145.72 is: 40,221.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,018.64 : 73,165.77 = 29,145.72 : x
  2. Step 2: Convert to fraction form
    53,018.64/73,165.77 = 29,145.72/x
  3. Step 3: Cross multiply
    53,018.64x = 73,165.77 × 29,145.72
  4. Step 4: Simplify right side
    53,018.64x = 2,132,469,046.00
  5. Step 5: Solve for x
    x = 2,132,469,046.00/53,018.64
  6. Step 6: Final answer
    x = 40,221.12

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