Home / 49,911.41-68,876.82-28,400.69

Finding the Fourth Proportional to 49,911.41, 68,876.82 and 28,400.69

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Solution

The fourth proportional to 49,911.41, 68,876.82 and 28,400.69 is: 39,192.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,911.41 : 68,876.82 = 28,400.69 : x
  2. Step 2: Convert to fraction form
    49,911.41/68,876.82 = 28,400.69/x
  3. Step 3: Cross multiply
    49,911.41x = 68,876.82 × 28,400.69
  4. Step 4: Simplify right side
    49,911.41x = 1,956,148,868.62
  5. Step 5: Solve for x
    x = 1,956,148,868.62/49,911.41
  6. Step 6: Final answer
    x = 39,192.42

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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.