Home / 31,249.96-46,907.36-20,933.80

Finding the Fourth Proportional to 31,249.96, 46,907.36 and 20,933.80

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Solution

The fourth proportional to 31,249.96, 46,907.36 and 20,933.80 is: 31,422.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,249.96 : 46,907.36 = 20,933.80 : x
  2. Step 2: Convert to fraction form
    31,249.96/46,907.36 = 20,933.80/x
  3. Step 3: Cross multiply
    31,249.96x = 46,907.36 × 20,933.80
  4. Step 4: Simplify right side
    31,249.96x = 981,949,292.77
  5. Step 5: Solve for x
    x = 981,949,292.77/31,249.96
  6. Step 6: Final answer
    x = 31,422.42

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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.