Home / 30,935.89-42,691.30-16,788.43

Finding the Fourth Proportional to 30,935.89, 42,691.30 and 16,788.43

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Solution

The fourth proportional to 30,935.89, 42,691.30 and 16,788.43 is: 23,167.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,935.89 : 42,691.30 = 16,788.43 : x
  2. Step 2: Convert to fraction form
    30,935.89/42,691.30 = 16,788.43/x
  3. Step 3: Cross multiply
    30,935.89x = 42,691.30 × 16,788.43
  4. Step 4: Simplify right side
    30,935.89x = 716,719,901.66
  5. Step 5: Solve for x
    x = 716,719,901.66/30,935.89
  6. Step 6: Final answer
    x = 23,167.91

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