Home / 29,939.72-41,316.60-16,511.52

Finding the Fourth Proportional to 29,939.72, 41,316.60 and 16,511.52

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Solution

The fourth proportional to 29,939.72, 41,316.60 and 16,511.52 is: 22,785.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,939.72 : 41,316.60 = 16,511.52 : x
  2. Step 2: Convert to fraction form
    29,939.72/41,316.60 = 16,511.52/x
  3. Step 3: Cross multiply
    29,939.72x = 41,316.60 × 16,511.52
  4. Step 4: Simplify right side
    29,939.72x = 682,199,867.23
  5. Step 5: Solve for x
    x = 682,199,867.23/29,939.72
  6. Step 6: Final answer
    x = 22,785.78

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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.