Home / 47,243.08-70,843.38-13,951.54

Finding the Fourth Proportional to 47,243.08, 70,843.38 and 13,951.54

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Solution

The fourth proportional to 47,243.08, 70,843.38 and 13,951.54 is: 20,921.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,243.08 : 70,843.38 = 13,951.54 : x
  2. Step 2: Convert to fraction form
    47,243.08/70,843.38 = 13,951.54/x
  3. Step 3: Cross multiply
    47,243.08x = 70,843.38 × 13,951.54
  4. Step 4: Simplify right side
    47,243.08x = 988,374,249.81
  5. Step 5: Solve for x
    x = 988,374,249.81/47,243.08
  6. Step 6: Final answer
    x = 20,921.04

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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.