Home / 34,105.12-47,065.15-19,767.73

Finding the Fourth Proportional to 34,105.12, 47,065.15 and 19,767.73

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Solution

The fourth proportional to 34,105.12, 47,065.15 and 19,767.73 is: 27,279.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,105.12 : 47,065.15 = 19,767.73 : x
  2. Step 2: Convert to fraction form
    34,105.12/47,065.15 = 19,767.73/x
  3. Step 3: Cross multiply
    34,105.12x = 47,065.15 × 19,767.73
  4. Step 4: Simplify right side
    34,105.12x = 930,370,942.28
  5. Step 5: Solve for x
    x = 930,370,942.28/34,105.12
  6. Step 6: Final answer
    x = 27,279.51

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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.