Home / 49,375.72-68,136.78-28,161.82

Finding the Fourth Proportional to 49,375.72, 68,136.78 and 28,161.82

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Solution

The fourth proportional to 49,375.72, 68,136.78 and 28,161.82 is: 38,862.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,375.72 : 68,136.78 = 28,161.82 : x
  2. Step 2: Convert to fraction form
    49,375.72/68,136.78 = 28,161.82/x
  3. Step 3: Cross multiply
    49,375.72x = 68,136.78 × 28,161.82
  4. Step 4: Simplify right side
    49,375.72x = 1,918,855,733.74
  5. Step 5: Solve for x
    x = 1,918,855,733.74/49,375.72
  6. Step 6: Final answer
    x = 38,862.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.