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Finding the Fourth Proportional to 51,607.40, 77,295.90 and 39,882.60

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Solution

The fourth proportional to 51,607.40, 77,295.90 and 39,882.60 is: 59,734.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,607.40 : 77,295.90 = 39,882.60 : x
  2. Step 2: Convert to fraction form
    51,607.40/77,295.90 = 39,882.60/x
  3. Step 3: Cross multiply
    51,607.40x = 77,295.90 × 39,882.60
  4. Step 4: Simplify right side
    51,607.40x = 3,082,761,461.34
  5. Step 5: Solve for x
    x = 3,082,761,461.34/51,607.40
  6. Step 6: Final answer
    x = 59,734.87

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