Home / 30,161.33-41,608.99-18,833.66

Finding the Fourth Proportional to 30,161.33, 41,608.99 and 18,833.66

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Solution

The fourth proportional to 30,161.33, 41,608.99 and 18,833.66 is: 25,981.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,161.33 : 41,608.99 = 18,833.66 : x
  2. Step 2: Convert to fraction form
    30,161.33/41,608.99 = 18,833.66/x
  3. Step 3: Cross multiply
    30,161.33x = 41,608.99 × 18,833.66
  4. Step 4: Simplify right side
    30,161.33x = 783,649,570.60
  5. Step 5: Solve for x
    x = 783,649,570.60/30,161.33
  6. Step 6: Final answer
    x = 25,981.93

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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.