Home / 55,134.07-82,728.47-21,853.42

Finding the Fourth Proportional to 55,134.07, 82,728.47 and 21,853.42

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Solution

The fourth proportional to 55,134.07, 82,728.47 and 21,853.42 is: 32,790.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,134.07 : 82,728.47 = 21,853.42 : x
  2. Step 2: Convert to fraction form
    55,134.07/82,728.47 = 21,853.42/x
  3. Step 3: Cross multiply
    55,134.07x = 82,728.47 × 21,853.42
  4. Step 4: Simplify right side
    55,134.07x = 1,807,900,000.87
  5. Step 5: Solve for x
    x = 1,807,900,000.87/55,134.07
  6. Step 6: Final answer
    x = 32,790.98

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