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Finding the Fourth Proportional to 31,545.81, 43,532.31 and 17,206.05

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Solution

The fourth proportional to 31,545.81, 43,532.31 and 17,206.05 is: 23,743.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,545.81 : 43,532.31 = 17,206.05 : x
  2. Step 2: Convert to fraction form
    31,545.81/43,532.31 = 17,206.05/x
  3. Step 3: Cross multiply
    31,545.81x = 43,532.31 × 17,206.05
  4. Step 4: Simplify right side
    31,545.81x = 749,019,102.48
  5. Step 5: Solve for x
    x = 749,019,102.48/31,545.81
  6. Step 6: Final answer
    x = 23,743.85

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