Home / 47,287.20-70,932.03-12,226.75

Finding the Fourth Proportional to 47,287.20, 70,932.03 and 12,226.75

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Solution

The fourth proportional to 47,287.20, 70,932.03 and 12,226.75 is: 18,340.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,287.20 : 70,932.03 = 12,226.75 : x
  2. Step 2: Convert to fraction form
    47,287.20/70,932.03 = 12,226.75/x
  3. Step 3: Cross multiply
    47,287.20x = 70,932.03 × 12,226.75
  4. Step 4: Simplify right side
    47,287.20x = 867,268,197.80
  5. Step 5: Solve for x
    x = 867,268,197.80/47,287.20
  6. Step 6: Final answer
    x = 18,340.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.