Home / 30,321.21-41,842.22-16,891.77

Finding the Fourth Proportional to 30,321.21, 41,842.22 and 16,891.77

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Solution

The fourth proportional to 30,321.21, 41,842.22 and 16,891.77 is: 23,310.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,321.21 : 41,842.22 = 16,891.77 : x
  2. Step 2: Convert to fraction form
    30,321.21/41,842.22 = 16,891.77/x
  3. Step 3: Cross multiply
    30,321.21x = 41,842.22 × 16,891.77
  4. Step 4: Simplify right side
    30,321.21x = 706,789,072.07
  5. Step 5: Solve for x
    x = 706,789,072.07/30,321.21
  6. Step 6: Final answer
    x = 23,310.05

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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.