Home / 35,581.57-49,105.11-19,665.68

Finding the Fourth Proportional to 35,581.57, 49,105.11 and 19,665.68

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Solution

The fourth proportional to 35,581.57, 49,105.11 and 19,665.68 is: 27,140.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,581.57 : 49,105.11 = 19,665.68 : x
  2. Step 2: Convert to fraction form
    35,581.57/49,105.11 = 19,665.68/x
  3. Step 3: Cross multiply
    35,581.57x = 49,105.11 × 19,665.68
  4. Step 4: Simplify right side
    35,581.57x = 965,685,134.10
  5. Step 5: Solve for x
    x = 965,685,134.10/35,581.57
  6. Step 6: Final answer
    x = 27,140.04

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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.