Home / 37,105.20-51,209.64-21,194.64

Finding the Fourth Proportional to 37,105.20, 51,209.64 and 21,194.64

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Solution

The fourth proportional to 37,105.20, 51,209.64 and 21,194.64 is: 29,251.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,105.20 : 51,209.64 = 21,194.64 : x
  2. Step 2: Convert to fraction form
    37,105.20/51,209.64 = 21,194.64/x
  3. Step 3: Cross multiply
    37,105.20x = 51,209.64 × 21,194.64
  4. Step 4: Simplify right side
    37,105.20x = 1,085,369,884.33
  5. Step 5: Solve for x
    x = 1,085,369,884.33/37,105.20
  6. Step 6: Final answer
    x = 29,251.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.