Home / 54,885.12-82,313.28-19,818.24

Finding the Fourth Proportional to 54,885.12, 82,313.28 and 19,818.24

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Solution

The fourth proportional to 54,885.12, 82,313.28 and 19,818.24 is: 29,722.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,885.12 : 82,313.28 = 19,818.24 : x
  2. Step 2: Convert to fraction form
    54,885.12/82,313.28 = 19,818.24/x
  3. Step 3: Cross multiply
    54,885.12x = 82,313.28 × 19,818.24
  4. Step 4: Simplify right side
    54,885.12x = 1,631,304,338.23
  5. Step 5: Solve for x
    x = 1,631,304,338.23/54,885.12
  6. Step 6: Final answer
    x = 29,722.16

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