Home / 31,519.39-47,293.43-11,799.48

Finding the Fourth Proportional to 31,519.39, 47,293.43 and 11,799.48

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Solution

The fourth proportional to 31,519.39, 47,293.43 and 11,799.48 is: 17,704.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,519.39 : 47,293.43 = 11,799.48 : x
  2. Step 2: Convert to fraction form
    31,519.39/47,293.43 = 11,799.48/x
  3. Step 3: Cross multiply
    31,519.39x = 47,293.43 × 11,799.48
  4. Step 4: Simplify right side
    31,519.39x = 558,037,910.92
  5. Step 5: Solve for x
    x = 558,037,910.92/31,519.39
  6. Step 6: Final answer
    x = 17,704.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.