Home / 30,230.66-41,716.94-16,801.86

Finding the Fourth Proportional to 30,230.66, 41,716.94 and 16,801.86

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Solution

The fourth proportional to 30,230.66, 41,716.94 and 16,801.86 is: 23,185.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,230.66 : 41,716.94 = 16,801.86 : x
  2. Step 2: Convert to fraction form
    30,230.66/41,716.94 = 16,801.86/x
  3. Step 3: Cross multiply
    30,230.66x = 41,716.94 × 16,801.86
  4. Step 4: Simplify right side
    30,230.66x = 700,922,185.51
  5. Step 5: Solve for x
    x = 700,922,185.51/30,230.66
  6. Step 6: Final answer
    x = 23,185.80

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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.