Home / 41,138.22-61,709.72-11,558.36

Finding the Fourth Proportional to 41,138.22, 61,709.72 and 11,558.36

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Solution

The fourth proportional to 41,138.22, 61,709.72 and 11,558.36 is: 17,338.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,138.22 : 61,709.72 = 11,558.36 : x
  2. Step 2: Convert to fraction form
    41,138.22/61,709.72 = 11,558.36/x
  3. Step 3: Cross multiply
    41,138.22x = 61,709.72 × 11,558.36
  4. Step 4: Simplify right side
    41,138.22x = 713,262,792.92
  5. Step 5: Solve for x
    x = 713,262,792.92/41,138.22
  6. Step 6: Final answer
    x = 17,338.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.