Home / 51,659.91-77,473.35-20,067.75

Finding the Fourth Proportional to 51,659.91, 77,473.35 and 20,067.75

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Solution

The fourth proportional to 51,659.91, 77,473.35 and 20,067.75 is: 30,095.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,659.91 : 77,473.35 = 20,067.75 : x
  2. Step 2: Convert to fraction form
    51,659.91/77,473.35 = 20,067.75/x
  3. Step 3: Cross multiply
    51,659.91x = 77,473.35 × 20,067.75
  4. Step 4: Simplify right side
    51,659.91x = 1,554,715,819.46
  5. Step 5: Solve for x
    x = 1,554,715,819.46/51,659.91
  6. Step 6: Final answer
    x = 30,095.21

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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.