Home / 29,620.73-40,879.14-16,877.81

Finding the Fourth Proportional to 29,620.73, 40,879.14 and 16,877.81

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Solution

The fourth proportional to 29,620.73, 40,879.14 and 16,877.81 is: 23,292.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,620.73 : 40,879.14 = 16,877.81 : x
  2. Step 2: Convert to fraction form
    29,620.73/40,879.14 = 16,877.81/x
  3. Step 3: Cross multiply
    29,620.73x = 40,879.14 × 16,877.81
  4. Step 4: Simplify right side
    29,620.73x = 689,950,357.88
  5. Step 5: Solve for x
    x = 689,950,357.88/29,620.73
  6. Step 6: Final answer
    x = 23,292.82

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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.