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Finding the Fourth Proportional to 51,235.56, 70,720.83 and 30,021.66

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Solution

The fourth proportional to 51,235.56, 70,720.83 and 30,021.66 is: 41,439.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,235.56 : 70,720.83 = 30,021.66 : x
  2. Step 2: Convert to fraction form
    51,235.56/70,720.83 = 30,021.66/x
  3. Step 3: Cross multiply
    51,235.56x = 70,720.83 × 30,021.66
  4. Step 4: Simplify right side
    51,235.56x = 2,123,156,713.18
  5. Step 5: Solve for x
    x = 2,123,156,713.18/51,235.56
  6. Step 6: Final answer
    x = 41,439.12

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