Home / 29,778.75-41,102.10-17,210.79

Finding the Fourth Proportional to 29,778.75, 41,102.10 and 17,210.79

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Solution

The fourth proportional to 29,778.75, 41,102.10 and 17,210.79 is: 23,755.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,778.75 : 41,102.10 = 17,210.79 : x
  2. Step 2: Convert to fraction form
    29,778.75/41,102.10 = 17,210.79/x
  3. Step 3: Cross multiply
    29,778.75x = 41,102.10 × 17,210.79
  4. Step 4: Simplify right side
    29,778.75x = 707,399,611.66
  5. Step 5: Solve for x
    x = 707,399,611.66/29,778.75
  6. Step 6: Final answer
    x = 23,755.18

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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.