Home / 30,310.99-41,829.18-16,884.82

Finding the Fourth Proportional to 30,310.99, 41,829.18 and 16,884.82

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Solution

The fourth proportional to 30,310.99, 41,829.18 and 16,884.82 is: 23,301.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310.99 : 41,829.18 = 16,884.82 : x
  2. Step 2: Convert to fraction form
    30,310.99/41,829.18 = 16,884.82/x
  3. Step 3: Cross multiply
    30,310.99x = 41,829.18 × 16,884.82
  4. Step 4: Simplify right side
    30,310.99x = 706,278,175.05
  5. Step 5: Solve for x
    x = 706,278,175.05/30,310.99
  6. Step 6: Final answer
    x = 23,301.06

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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.