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Finding the Fourth Proportional to 51,552.78, 77,347.56 and 31,808.34

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Solution

The fourth proportional to 51,552.78, 77,347.56 and 31,808.34 is: 47,723.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,552.78 : 77,347.56 = 31,808.34 : x
  2. Step 2: Convert to fraction form
    51,552.78/77,347.56 = 31,808.34/x
  3. Step 3: Cross multiply
    51,552.78x = 77,347.56 × 31,808.34
  4. Step 4: Simplify right side
    51,552.78x = 2,460,297,486.65
  5. Step 5: Solve for x
    x = 2,460,297,486.65/51,552.78
  6. Step 6: Final answer
    x = 47,723.86

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