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Finding the Fourth Proportional to 31,281.19, 43,168.05 and 17,134.54

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Solution

The fourth proportional to 31,281.19, 43,168.05 and 17,134.54 is: 23,645.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,281.19 : 43,168.05 = 17,134.54 : x
  2. Step 2: Convert to fraction form
    31,281.19/43,168.05 = 17,134.54/x
  3. Step 3: Cross multiply
    31,281.19x = 43,168.05 × 17,134.54
  4. Step 4: Simplify right side
    31,281.19x = 739,664,571.53
  5. Step 5: Solve for x
    x = 739,664,571.53/31,281.19
  6. Step 6: Final answer
    x = 23,645.67

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