Home / 29,820.25-41,151.98-16,391.22

Finding the Fourth Proportional to 29,820.25, 41,151.98 and 16,391.22

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Solution

The fourth proportional to 29,820.25, 41,151.98 and 16,391.22 is: 22,619.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,820.25 : 41,151.98 = 16,391.22 : x
  2. Step 2: Convert to fraction form
    29,820.25/41,151.98 = 16,391.22/x
  3. Step 3: Cross multiply
    29,820.25x = 41,151.98 × 16,391.22
  4. Step 4: Simplify right side
    29,820.25x = 674,531,160.01
  5. Step 5: Solve for x
    x = 674,531,160.01/29,820.25
  6. Step 6: Final answer
    x = 22,619.90

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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.