Home / 49,878.54-68,737.41-35,706.78

Finding the Fourth Proportional to 49,878.54, 68,737.41 and 35,706.78

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Solution

The fourth proportional to 49,878.54, 68,737.41 and 35,706.78 is: 49,207.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,878.54 : 68,737.41 = 35,706.78 : x
  2. Step 2: Convert to fraction form
    49,878.54/68,737.41 = 35,706.78/x
  3. Step 3: Cross multiply
    49,878.54x = 68,737.41 × 35,706.78
  4. Step 4: Simplify right side
    49,878.54x = 2,454,391,576.64
  5. Step 5: Solve for x
    x = 2,454,391,576.64/49,878.54
  6. Step 6: Final answer
    x = 49,207.37

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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.