Home / 30,190.66-41,661.14-16,761.27

Finding the Fourth Proportional to 30,190.66, 41,661.14 and 16,761.27

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Solution

The fourth proportional to 30,190.66, 41,661.14 and 16,761.27 is: 23,129.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,190.66 : 41,661.14 = 16,761.27 : x
  2. Step 2: Convert to fraction form
    30,190.66/41,661.14 = 16,761.27/x
  3. Step 3: Cross multiply
    30,190.66x = 41,661.14 × 16,761.27
  4. Step 4: Simplify right side
    30,190.66x = 698,293,616.05
  5. Step 5: Solve for x
    x = 698,293,616.05/30,190.66
  6. Step 6: Final answer
    x = 23,129.46

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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.