Home / 51,790.68-77,633.73-20,180.97

Finding the Fourth Proportional to 51,790.68, 77,633.73 and 20,180.97

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Solution

The fourth proportional to 51,790.68, 77,633.73 and 20,180.97 is: 30,251.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,790.68 : 77,633.73 = 20,180.97 : x
  2. Step 2: Convert to fraction form
    51,790.68/77,633.73 = 20,180.97/x
  3. Step 3: Cross multiply
    51,790.68x = 77,633.73 × 20,180.97
  4. Step 4: Simplify right side
    51,790.68x = 1,566,723,976.12
  5. Step 5: Solve for x
    x = 1,566,723,976.12/51,790.68
  6. Step 6: Final answer
    x = 30,251.08

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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.