Home / 20,067.58-30,098.98-5,277.65

Finding the Fourth Proportional to 20,067.58, 30,098.98 and 5,277.65

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Solution

The fourth proportional to 20,067.58, 30,098.98 and 5,277.65 is: 7,915.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067.58 : 30,098.98 = 5,277.65 : x
  2. Step 2: Convert to fraction form
    20,067.58/30,098.98 = 5,277.65/x
  3. Step 3: Cross multiply
    20,067.58x = 30,098.98 × 5,277.65
  4. Step 4: Simplify right side
    20,067.58x = 158,851,855.41
  5. Step 5: Solve for x
    x = 158,851,855.41/20,067.58
  6. Step 6: Final answer
    x = 7,915.85

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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.