Home / 30,205.91-41,685.55-16,777.22

Finding the Fourth Proportional to 30,205.91, 41,685.55 and 16,777.22

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Solution

The fourth proportional to 30,205.91, 41,685.55 and 16,777.22 is: 23,153.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,205.91 : 41,685.55 = 16,777.22 : x
  2. Step 2: Convert to fraction form
    30,205.91/41,685.55 = 16,777.22/x
  3. Step 3: Cross multiply
    30,205.91x = 41,685.55 × 16,777.22
  4. Step 4: Simplify right side
    30,205.91x = 699,367,392.80
  5. Step 5: Solve for x
    x = 699,367,392.80/30,205.91
  6. Step 6: Final answer
    x = 23,153.33

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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.