Home / 34,103.82-47,063.14-18,996.66

Finding the Fourth Proportional to 34,103.82, 47,063.14 and 18,996.66

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Solution

The fourth proportional to 34,103.82, 47,063.14 and 18,996.66 is: 26,215.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,103.82 : 47,063.14 = 18,996.66 : x
  2. Step 2: Convert to fraction form
    34,103.82/47,063.14 = 18,996.66/x
  3. Step 3: Cross multiply
    34,103.82x = 47,063.14 × 18,996.66
  4. Step 4: Simplify right side
    34,103.82x = 894,042,469.11
  5. Step 5: Solve for x
    x = 894,042,469.11/34,103.82
  6. Step 6: Final answer
    x = 26,215.32

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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.