Home / 29,512.45-40,719.97-18,916.44

Finding the Fourth Proportional to 29,512.45, 40,719.97 and 18,916.44

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Solution

The fourth proportional to 29,512.45, 40,719.97 and 18,916.44 is: 26,100.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,512.45 : 40,719.97 = 18,916.44 : x
  2. Step 2: Convert to fraction form
    29,512.45/40,719.97 = 18,916.44/x
  3. Step 3: Cross multiply
    29,512.45x = 40,719.97 × 18,916.44
  4. Step 4: Simplify right side
    29,512.45x = 770,276,633.85
  5. Step 5: Solve for x
    x = 770,276,633.85/29,512.45
  6. Step 6: Final answer
    x = 26,100.06

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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.