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Finding the Fourth Proportional to 53,897.51, 74,378.59 and 31,249.71

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Solution

The fourth proportional to 53,897.51, 74,378.59 and 31,249.71 is: 43,124.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,897.51 : 74,378.59 = 31,249.71 : x
  2. Step 2: Convert to fraction form
    53,897.51/74,378.59 = 31,249.71/x
  3. Step 3: Cross multiply
    53,897.51x = 74,378.59 × 31,249.71
  4. Step 4: Simplify right side
    53,897.51x = 2,324,309,289.58
  5. Step 5: Solve for x
    x = 2,324,309,289.58/53,897.51
  6. Step 6: Final answer
    x = 43,124.61

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