Home / 31,132.14-42,962.50-16,985.30

Finding the Fourth Proportional to 31,132.14, 42,962.50 and 16,985.30

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Solution

The fourth proportional to 31,132.14, 42,962.50 and 16,985.30 is: 23,439.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,132.14 : 42,962.50 = 16,985.30 : x
  2. Step 2: Convert to fraction form
    31,132.14/42,962.50 = 16,985.30/x
  3. Step 3: Cross multiply
    31,132.14x = 42,962.50 × 16,985.30
  4. Step 4: Simplify right side
    31,132.14x = 729,730,951.25
  5. Step 5: Solve for x
    x = 729,730,951.25/31,132.14
  6. Step 6: Final answer
    x = 23,439.79

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