Home / 29,489.76-40,696.38-16,742.61

Finding the Fourth Proportional to 29,489.76, 40,696.38 and 16,742.61

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Solution

The fourth proportional to 29,489.76, 40,696.38 and 16,742.61 is: 23,105.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,489.76 : 40,696.38 = 16,742.61 : x
  2. Step 2: Convert to fraction form
    29,489.76/40,696.38 = 16,742.61/x
  3. Step 3: Cross multiply
    29,489.76x = 40,696.38 × 16,742.61
  4. Step 4: Simplify right side
    29,489.76x = 681,363,618.75
  5. Step 5: Solve for x
    x = 681,363,618.75/29,489.76
  6. Step 6: Final answer
    x = 23,105.09

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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.