Home / 29,940.68-41,320.59-16,513.21

Finding the Fourth Proportional to 29,940.68, 41,320.59 and 16,513.21

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Solution

The fourth proportional to 29,940.68, 41,320.59 and 16,513.21 is: 22,789.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,940.68 : 41,320.59 = 16,513.21 : x
  2. Step 2: Convert to fraction form
    29,940.68/41,320.59 = 16,513.21/x
  3. Step 3: Cross multiply
    29,940.68x = 41,320.59 × 16,513.21
  4. Step 4: Simplify right side
    29,940.68x = 682,335,579.99
  5. Step 5: Solve for x
    x = 682,335,579.99/29,940.68
  6. Step 6: Final answer
    x = 22,789.58

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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.