Home / 49,639.41-74,458.97-20,056.90

Finding the Fourth Proportional to 49,639.41, 74,458.97 and 20,056.90

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Solution

The fourth proportional to 49,639.41, 74,458.97 and 20,056.90 is: 30,085.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,639.41 : 74,458.97 = 20,056.90 : x
  2. Step 2: Convert to fraction form
    49,639.41/74,458.97 = 20,056.90/x
  3. Step 3: Cross multiply
    49,639.41x = 74,458.97 × 20,056.90
  4. Step 4: Simplify right side
    49,639.41x = 1,493,416,115.39
  5. Step 5: Solve for x
    x = 1,493,416,115.39/49,639.41
  6. Step 6: Final answer
    x = 30,085.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.