Home / 30,711.68-46,067.37-11,993.62

Finding the Fourth Proportional to 30,711.68, 46,067.37 and 11,993.62

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Solution

The fourth proportional to 30,711.68, 46,067.37 and 11,993.62 is: 17,990.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,711.68 : 46,067.37 = 11,993.62 : x
  2. Step 2: Convert to fraction form
    30,711.68/46,067.37 = 11,993.62/x
  3. Step 3: Cross multiply
    30,711.68x = 46,067.37 × 11,993.62
  4. Step 4: Simplify right side
    30,711.68x = 552,514,239.87
  5. Step 5: Solve for x
    x = 552,514,239.87/30,711.68
  6. Step 6: Final answer
    x = 17,990.36

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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.