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Finding the Fourth Proportional to 57,307.32, 79,087.68 and 33,109.32

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Solution

The fourth proportional to 57,307.32, 79,087.68 and 33,109.32 is: 45,692.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,307.32 : 79,087.68 = 33,109.32 : x
  2. Step 2: Convert to fraction form
    57,307.32/79,087.68 = 33,109.32/x
  3. Step 3: Cross multiply
    57,307.32x = 79,087.68 × 33,109.32
  4. Step 4: Simplify right side
    57,307.32x = 2,618,539,305.18
  5. Step 5: Solve for x
    x = 2,618,539,305.18/57,307.32
  6. Step 6: Final answer
    x = 45,692.93

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