Home / 47,287.24-70,930.14-12,226.60

Finding the Fourth Proportional to 47,287.24, 70,930.14 and 12,226.60

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Solution

The fourth proportional to 47,287.24, 70,930.14 and 12,226.60 is: 18,339.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,287.24 : 70,930.14 = 12,226.60 : x
  2. Step 2: Convert to fraction form
    47,287.24/70,930.14 = 12,226.60/x
  3. Step 3: Cross multiply
    47,287.24x = 70,930.14 × 12,226.60
  4. Step 4: Simplify right side
    47,287.24x = 867,234,449.72
  5. Step 5: Solve for x
    x = 867,234,449.72/47,287.24
  6. Step 6: Final answer
    x = 18,339.71

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1.5x scale

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.