Home / 49,284.11-73,864.41-21,170.77

Finding the Fourth Proportional to 49,284.11, 73,864.41 and 21,170.77

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Solution

The fourth proportional to 49,284.11, 73,864.41 and 21,170.77 is: 31,729.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,284.11 : 73,864.41 = 21,170.77 : x
  2. Step 2: Convert to fraction form
    49,284.11/73,864.41 = 21,170.77/x
  3. Step 3: Cross multiply
    49,284.11x = 73,864.41 × 21,170.77
  4. Step 4: Simplify right side
    49,284.11x = 1,563,766,171.24
  5. Step 5: Solve for x
    x = 1,563,766,171.24/49,284.11
  6. Step 6: Final answer
    x = 31,729.62

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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.