Home / 29,820.33-41,151.13-16,391.54

Finding the Fourth Proportional to 29,820.33, 41,151.13 and 16,391.54

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Solution

The fourth proportional to 29,820.33, 41,151.13 and 16,391.54 is: 22,619.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,820.33 : 41,151.13 = 16,391.54 : x
  2. Step 2: Convert to fraction form
    29,820.33/41,151.13 = 16,391.54/x
  3. Step 3: Cross multiply
    29,820.33x = 41,151.13 × 16,391.54
  4. Step 4: Simplify right side
    29,820.33x = 674,530,455.34
  5. Step 5: Solve for x
    x = 674,530,455.34/29,820.33
  6. Step 6: Final answer
    x = 22,619.82

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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.