Home / 30,186.22-41,661.97-16,761.78

Finding the Fourth Proportional to 30,186.22, 41,661.97 and 16,761.78

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Solution

The fourth proportional to 30,186.22, 41,661.97 and 16,761.78 is: 23,134.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,186.22 : 41,661.97 = 16,761.78 : x
  2. Step 2: Convert to fraction form
    30,186.22/41,661.97 = 16,761.78/x
  3. Step 3: Cross multiply
    30,186.22x = 41,661.97 × 16,761.78
  4. Step 4: Simplify right side
    30,186.22x = 698,328,775.51
  5. Step 5: Solve for x
    x = 698,328,775.51/30,186.22
  6. Step 6: Final answer
    x = 23,134.03

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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.