Home / 57,171.20-85,641.60-32,518.40

Finding the Fourth Proportional to 57,171.20, 85,641.60 and 32,518.40

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Solution

The fourth proportional to 57,171.20, 85,641.60 and 32,518.40 is: 48,712.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,171.20 : 85,641.60 = 32,518.40 : x
  2. Step 2: Convert to fraction form
    57,171.20/85,641.60 = 32,518.40/x
  3. Step 3: Cross multiply
    57,171.20x = 85,641.60 × 32,518.40
  4. Step 4: Simplify right side
    57,171.20x = 2,784,927,805.44
  5. Step 5: Solve for x
    x = 2,784,927,805.44/57,171.20
  6. Step 6: Final answer
    x = 48,712.08

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