Home / 35,198.30-48,578.27-20,087.49

Finding the Fourth Proportional to 35,198.30, 48,578.27 and 20,087.49

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Solution

The fourth proportional to 35,198.30, 48,578.27 and 20,087.49 is: 27,723.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,198.30 : 48,578.27 = 20,087.49 : x
  2. Step 2: Convert to fraction form
    35,198.30/48,578.27 = 20,087.49/x
  3. Step 3: Cross multiply
    35,198.30x = 48,578.27 × 20,087.49
  4. Step 4: Simplify right side
    35,198.30x = 975,815,412.40
  5. Step 5: Solve for x
    x = 975,815,412.40/35,198.30
  6. Step 6: Final answer
    x = 27,723.37

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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.