Home / 30,151.20-41,608.26-16,722.48

Finding the Fourth Proportional to 30,151.20, 41,608.26 and 16,722.48

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Solution

The fourth proportional to 30,151.20, 41,608.26 and 16,722.48 is: 23,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,151.20 : 41,608.26 = 16,722.48 : x
  2. Step 2: Convert to fraction form
    30,151.20/41,608.26 = 16,722.48/x
  3. Step 3: Cross multiply
    30,151.20x = 41,608.26 × 16,722.48
  4. Step 4: Simplify right side
    30,151.20x = 695,793,295.68
  5. Step 5: Solve for x
    x = 695,793,295.68/30,151.20
  6. Step 6: Final answer
    x = 23,076.80

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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.