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Finding the Fourth Proportional to 50,739.90, 70,021.31 and 29,519.93

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Solution

The fourth proportional to 50,739.90, 70,021.31 and 29,519.93 is: 40,737.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,739.90 : 70,021.31 = 29,519.93 : x
  2. Step 2: Convert to fraction form
    50,739.90/70,021.31 = 29,519.93/x
  3. Step 3: Cross multiply
    50,739.90x = 70,021.31 × 29,519.93
  4. Step 4: Simplify right side
    50,739.90x = 2,067,023,672.00
  5. Step 5: Solve for x
    x = 2,067,023,672.00/50,739.90
  6. Step 6: Final answer
    x = 40,737.64

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