Home / 49,872.18-68,823.25-28,361.91

Finding the Fourth Proportional to 49,872.18, 68,823.25 and 28,361.91

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Solution

The fourth proportional to 49,872.18, 68,823.25 and 28,361.91 is: 39,139.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,872.18 : 68,823.25 = 28,361.91 : x
  2. Step 2: Convert to fraction form
    49,872.18/68,823.25 = 28,361.91/x
  3. Step 3: Cross multiply
    49,872.18x = 68,823.25 × 28,361.91
  4. Step 4: Simplify right side
    49,872.18x = 1,951,958,822.41
  5. Step 5: Solve for x
    x = 1,951,958,822.41/49,872.18
  6. Step 6: Final answer
    x = 39,139.23

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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.