Home / 30,841.05-42,561.68-18,902.09

Finding the Fourth Proportional to 30,841.05, 42,561.68 and 18,902.09

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Solution

The fourth proportional to 30,841.05, 42,561.68 and 18,902.09 is: 26,085.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,841.05 : 42,561.68 = 18,902.09 : x
  2. Step 2: Convert to fraction form
    30,841.05/42,561.68 = 18,902.09/x
  3. Step 3: Cross multiply
    30,841.05x = 42,561.68 × 18,902.09
  4. Step 4: Simplify right side
    30,841.05x = 804,504,398.59
  5. Step 5: Solve for x
    x = 804,504,398.59/30,841.05
  6. Step 6: Final answer
    x = 26,085.51

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