Home / 47,084.28-70,644.60-20,770.44

Finding the Fourth Proportional to 47,084.28, 70,644.60 and 20,770.44

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Solution

The fourth proportional to 47,084.28, 70,644.60 and 20,770.44 is: 31,163.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,084.28 : 70,644.60 = 20,770.44 : x
  2. Step 2: Convert to fraction form
    47,084.28/70,644.60 = 20,770.44/x
  3. Step 3: Cross multiply
    47,084.28x = 70,644.60 × 20,770.44
  4. Step 4: Simplify right side
    47,084.28x = 1,467,319,425.62
  5. Step 5: Solve for x
    x = 1,467,319,425.62/47,084.28
  6. Step 6: Final answer
    x = 31,163.68

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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.