Home / 34,234.12-51,308.78-19,398.06

Finding the Fourth Proportional to 34,234.12, 51,308.78 and 19,398.06

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Solution

The fourth proportional to 34,234.12, 51,308.78 and 19,398.06 is: 29,073.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,234.12 : 51,308.78 = 19,398.06 : x
  2. Step 2: Convert to fraction form
    34,234.12/51,308.78 = 19,398.06/x
  3. Step 3: Cross multiply
    34,234.12x = 51,308.78 × 19,398.06
  4. Step 4: Simplify right side
    34,234.12x = 995,290,792.97
  5. Step 5: Solve for x
    x = 995,290,792.97/34,234.12
  6. Step 6: Final answer
    x = 29,073.06

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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.