Home / 47,245.75-70,845.56-20,614.25

Finding the Fourth Proportional to 47,245.75, 70,845.56 and 20,614.25

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Solution

The fourth proportional to 47,245.75, 70,845.56 and 20,614.25 is: 30,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,245.75 : 70,845.56 = 20,614.25 : x
  2. Step 2: Convert to fraction form
    47,245.75/70,845.56 = 20,614.25/x
  3. Step 3: Cross multiply
    47,245.75x = 70,845.56 × 20,614.25
  4. Step 4: Simplify right side
    47,245.75x = 1,460,427,705.23
  5. Step 5: Solve for x
    x = 1,460,427,705.23/47,245.75
  6. Step 6: Final answer
    x = 30,911.30

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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.