Home / 49,511.70-68,329.92-28,001.87

Finding the Fourth Proportional to 49,511.70, 68,329.92 and 28,001.87

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Solution

The fourth proportional to 49,511.70, 68,329.92 and 28,001.87 is: 38,644.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,511.70 : 68,329.92 = 28,001.87 : x
  2. Step 2: Convert to fraction form
    49,511.70/68,329.92 = 28,001.87/x
  3. Step 3: Cross multiply
    49,511.70x = 68,329.92 × 28,001.87
  4. Step 4: Simplify right side
    49,511.70x = 1,913,365,396.94
  5. Step 5: Solve for x
    x = 1,913,365,396.94/49,511.70
  6. Step 6: Final answer
    x = 38,644.71

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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.