Home / 31,529.68-43,511.30-17,383.04

Finding the Fourth Proportional to 31,529.68, 43,511.30 and 17,383.04

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Solution

The fourth proportional to 31,529.68, 43,511.30 and 17,383.04 is: 23,988.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,529.68 : 43,511.30 = 17,383.04 : x
  2. Step 2: Convert to fraction form
    31,529.68/43,511.30 = 17,383.04/x
  3. Step 3: Cross multiply
    31,529.68x = 43,511.30 × 17,383.04
  4. Step 4: Simplify right side
    31,529.68x = 756,358,668.35
  5. Step 5: Solve for x
    x = 756,358,668.35/31,529.68
  6. Step 6: Final answer
    x = 23,988.78

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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.