Home / 40,790.62-61,179-11,201.50

Finding the Fourth Proportional to 40,790.62, 61,179 and 11,201.50

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Solution

The fourth proportional to 40,790.62, 61,179 and 11,201.50 is: 16,800.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,790.62 : 61,179 = 11,201.50 : x
  2. Step 2: Convert to fraction form
    40,790.62/61,179 = 11,201.50/x
  3. Step 3: Cross multiply
    40,790.62x = 61,179 × 11,201.50
  4. Step 4: Simplify right side
    40,790.62x = 685,296,568.50
  5. Step 5: Solve for x
    x = 685,296,568.50/40,790.62
  6. Step 6: Final answer
    x = 16,800.35

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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.