Home / 38,472.91-57,681.71-18,198.42

Finding the Fourth Proportional to 38,472.91, 57,681.71 and 18,198.42

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Solution

The fourth proportional to 38,472.91, 57,681.71 and 18,198.42 is: 27,284.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,472.91 : 57,681.71 = 18,198.42 : x
  2. Step 2: Convert to fraction form
    38,472.91/57,681.71 = 18,198.42/x
  3. Step 3: Cross multiply
    38,472.91x = 57,681.71 × 18,198.42
  4. Step 4: Simplify right side
    38,472.91x = 1,049,715,893.91
  5. Step 5: Solve for x
    x = 1,049,715,893.91/38,472.91
  6. Step 6: Final answer
    x = 27,284.55

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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.