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Finding the Fourth Proportional to 55,900.96, 77,144.52 and 30,750.46

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Solution

The fourth proportional to 55,900.96, 77,144.52 and 30,750.46 is: 42,436.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,900.96 : 77,144.52 = 30,750.46 : x
  2. Step 2: Convert to fraction form
    55,900.96/77,144.52 = 30,750.46/x
  3. Step 3: Cross multiply
    55,900.96x = 77,144.52 × 30,750.46
  4. Step 4: Simplify right side
    55,900.96x = 2,372,229,476.48
  5. Step 5: Solve for x
    x = 2,372,229,476.48/55,900.96
  6. Step 6: Final answer
    x = 42,436.29

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