Home / 29,879.14-41,231.64-16,447.78

Finding the Fourth Proportional to 29,879.14, 41,231.64 and 16,447.78

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Solution

The fourth proportional to 29,879.14, 41,231.64 and 16,447.78 is: 22,697.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,879.14 : 41,231.64 = 16,447.78 : x
  2. Step 2: Convert to fraction form
    29,879.14/41,231.64 = 16,447.78/x
  3. Step 3: Cross multiply
    29,879.14x = 41,231.64 × 16,447.78
  4. Step 4: Simplify right side
    29,879.14x = 678,168,943.76
  5. Step 5: Solve for x
    x = 678,168,943.76/29,879.14
  6. Step 6: Final answer
    x = 22,697.07

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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.