Home / 49,819.85-68,611.42-48,731.21

Finding the Fourth Proportional to 49,819.85, 68,611.42 and 48,731.21

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Solution

The fourth proportional to 49,819.85, 68,611.42 and 48,731.21 is: 67,112.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,819.85 : 68,611.42 = 48,731.21 : x
  2. Step 2: Convert to fraction form
    49,819.85/68,611.42 = 48,731.21/x
  3. Step 3: Cross multiply
    49,819.85x = 68,611.42 × 48,731.21
  4. Step 4: Simplify right side
    49,819.85x = 3,343,517,516.42
  5. Step 5: Solve for x
    x = 3,343,517,516.42/49,819.85
  6. Step 6: Final answer
    x = 67,112.16

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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.