Home / 55,872.12-77,103.52-30,721.62

Finding the Fourth Proportional to 55,872.12, 77,103.52 and 30,721.62

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Solution

The fourth proportional to 55,872.12, 77,103.52 and 30,721.62 is: 42,395.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,872.12 : 77,103.52 = 30,721.62 : x
  2. Step 2: Convert to fraction form
    55,872.12/77,103.52 = 30,721.62/x
  3. Step 3: Cross multiply
    55,872.12x = 77,103.52 × 30,721.62
  4. Step 4: Simplify right side
    55,872.12x = 2,368,745,042.10
  5. Step 5: Solve for x
    x = 2,368,745,042.10/55,872.12
  6. Step 6: Final answer
    x = 42,395.83

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