Home / 29,179.20-43,779.60-11,661.60

Finding the Fourth Proportional to 29,179.20, 43,779.60 and 11,661.60

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Solution

The fourth proportional to 29,179.20, 43,779.60 and 11,661.60 is: 17,496.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,179.20 : 43,779.60 = 11,661.60 : x
  2. Step 2: Convert to fraction form
    29,179.20/43,779.60 = 11,661.60/x
  3. Step 3: Cross multiply
    29,179.20x = 43,779.60 × 11,661.60
  4. Step 4: Simplify right side
    29,179.20x = 510,540,183.36
  5. Step 5: Solve for x
    x = 510,540,183.36/29,179.20
  6. Step 6: Final answer
    x = 17,496.72

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1.5x scale

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.