Home / 47,091.28-70,650.96-18,996.88

Finding the Fourth Proportional to 47,091.28, 70,650.96 and 18,996.88

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Solution

The fourth proportional to 47,091.28, 70,650.96 and 18,996.88 is: 28,500.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,091.28 : 70,650.96 = 18,996.88 : x
  2. Step 2: Convert to fraction form
    47,091.28/70,650.96 = 18,996.88/x
  3. Step 3: Cross multiply
    47,091.28x = 70,650.96 × 18,996.88
  4. Step 4: Simplify right side
    47,091.28x = 1,342,147,809.00
  5. Step 5: Solve for x
    x = 1,342,147,809.00/47,091.28
  6. Step 6: Final answer
    x = 28,500.98

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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.