Home / 49,868.70-68,821.43-28,649.33

Finding the Fourth Proportional to 49,868.70, 68,821.43 and 28,649.33

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Solution

The fourth proportional to 49,868.70, 68,821.43 and 28,649.33 is: 39,537.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,868.70 : 68,821.43 = 28,649.33 : x
  2. Step 2: Convert to fraction form
    49,868.70/68,821.43 = 28,649.33/x
  3. Step 3: Cross multiply
    49,868.70x = 68,821.43 × 28,649.33
  4. Step 4: Simplify right side
    49,868.70x = 1,971,687,859.14
  5. Step 5: Solve for x
    x = 1,971,687,859.14/49,868.70
  6. Step 6: Final answer
    x = 39,537.58

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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.