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Finding the Fourth Proportional to 55,723.52, 76,898.22 and 30,572.48

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Solution

The fourth proportional to 55,723.52, 76,898.22 and 30,572.48 is: 42,189.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,723.52 : 76,898.22 = 30,572.48 : x
  2. Step 2: Convert to fraction form
    55,723.52/76,898.22 = 30,572.48/x
  3. Step 3: Cross multiply
    55,723.52x = 76,898.22 × 30,572.48
  4. Step 4: Simplify right side
    55,723.52x = 2,350,969,292.99
  5. Step 5: Solve for x
    x = 2,350,969,292.99/55,723.52
  6. Step 6: Final answer
    x = 42,189.89

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