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Finding the Fourth Proportional to 31,754.58, 43,820.96 and 18,325.68

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Solution

The fourth proportional to 31,754.58, 43,820.96 and 18,325.68 is: 25,289.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,754.58 : 43,820.96 = 18,325.68 : x
  2. Step 2: Convert to fraction form
    31,754.58/43,820.96 = 18,325.68/x
  3. Step 3: Cross multiply
    31,754.58x = 43,820.96 × 18,325.68
  4. Step 4: Simplify right side
    31,754.58x = 803,048,890.25
  5. Step 5: Solve for x
    x = 803,048,890.25/31,754.58
  6. Step 6: Final answer
    x = 25,289.23

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