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Finding the Fourth Proportional to 30,701.48, 42,367.62 and 17,272.74

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Solution

The fourth proportional to 30,701.48, 42,367.62 and 17,272.74 is: 23,836.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,701.48 : 42,367.62 = 17,272.74 : x
  2. Step 2: Convert to fraction form
    30,701.48/42,367.62 = 17,272.74/x
  3. Step 3: Cross multiply
    30,701.48x = 42,367.62 × 17,272.74
  4. Step 4: Simplify right side
    30,701.48x = 731,804,884.68
  5. Step 5: Solve for x
    x = 731,804,884.68/30,701.48
  6. Step 6: Final answer
    x = 23,836.14

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