Home / 30,921.31-42,670.23-16,773.85

Finding the Fourth Proportional to 30,921.31, 42,670.23 and 16,773.85

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Solution

The fourth proportional to 30,921.31, 42,670.23 and 16,773.85 is: 23,147.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,921.31 : 42,670.23 = 16,773.85 : x
  2. Step 2: Convert to fraction form
    30,921.31/42,670.23 = 16,773.85/x
  3. Step 3: Cross multiply
    30,921.31x = 42,670.23 × 16,773.85
  4. Step 4: Simplify right side
    30,921.31x = 715,744,037.49
  5. Step 5: Solve for x
    x = 715,744,037.49/30,921.31
  6. Step 6: Final answer
    x = 23,147.27

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