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Finding the Fourth Proportional to 31,456.98, 43,412.43 and 18,030.48

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Solution

The fourth proportional to 31,456.98, 43,412.43 and 18,030.48 is: 24,883.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,456.98 : 43,412.43 = 18,030.48 : x
  2. Step 2: Convert to fraction form
    31,456.98/43,412.43 = 18,030.48/x
  3. Step 3: Cross multiply
    31,456.98x = 43,412.43 × 18,030.48
  4. Step 4: Simplify right side
    31,456.98x = 782,746,855.68
  5. Step 5: Solve for x
    x = 782,746,855.68/31,456.98
  6. Step 6: Final answer
    x = 24,883.09

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