Home / 47,946.10-71,919.76-18,365.70

Finding the Fourth Proportional to 47,946.10, 71,919.76 and 18,365.70

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Solution

The fourth proportional to 47,946.10, 71,919.76 and 18,365.70 is: 27,548.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,946.10 : 71,919.76 = 18,365.70 : x
  2. Step 2: Convert to fraction form
    47,946.10/71,919.76 = 18,365.70/x
  3. Step 3: Cross multiply
    47,946.10x = 71,919.76 × 18,365.70
  4. Step 4: Simplify right side
    47,946.10x = 1,320,856,736.23
  5. Step 5: Solve for x
    x = 1,320,856,736.23/47,946.10
  6. Step 6: Final answer
    x = 27,548.78

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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.