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Finding the Fourth Proportional to 36,139.01, 54,231.64 and 19,510.63

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Solution

The fourth proportional to 36,139.01, 54,231.64 and 19,510.63 is: 29,278.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,139.01 : 54,231.64 = 19,510.63 : x
  2. Step 2: Convert to fraction form
    36,139.01/54,231.64 = 19,510.63/x
  3. Step 3: Cross multiply
    36,139.01x = 54,231.64 × 19,510.63
  4. Step 4: Simplify right side
    36,139.01x = 1,058,093,277.98
  5. Step 5: Solve for x
    x = 1,058,093,277.98/36,139.01
  6. Step 6: Final answer
    x = 29,278.43

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