Home / 20,067.43-30,098.75-5,277.50

Finding the Fourth Proportional to 20,067.43, 30,098.75 and 5,277.50

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Solution

The fourth proportional to 20,067.43, 30,098.75 and 5,277.50 is: 7,915.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067.43 : 30,098.75 = 5,277.50 : x
  2. Step 2: Convert to fraction form
    20,067.43/30,098.75 = 5,277.50/x
  3. Step 3: Cross multiply
    20,067.43x = 30,098.75 × 5,277.50
  4. Step 4: Simplify right side
    20,067.43x = 158,845,976.24
  5. Step 5: Solve for x
    x = 158,845,976.24/20,067.43
  6. Step 6: Final answer
    x = 7,915.61

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1.5x scale

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.