Home / 37,979.40-56,969.10-17,198.28

Finding the Fourth Proportional to 37,979.40, 56,969.10 and 17,198.28

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Solution

The fourth proportional to 37,979.40, 56,969.10 and 17,198.28 is: 25,797.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,979.40 : 56,969.10 = 17,198.28 : x
  2. Step 2: Convert to fraction form
    37,979.40/56,969.10 = 17,198.28/x
  3. Step 3: Cross multiply
    37,979.40x = 56,969.10 × 17,198.28
  4. Step 4: Simplify right side
    37,979.40x = 979,770,533.15
  5. Step 5: Solve for x
    x = 979,770,533.15/37,979.40
  6. Step 6: Final answer
    x = 25,797.42

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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.