Home / 49,458.69-74,191.46-19,876.55

Finding the Fourth Proportional to 49,458.69, 74,191.46 and 19,876.55

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Solution

The fourth proportional to 49,458.69, 74,191.46 and 19,876.55 is: 29,816.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,458.69 : 74,191.46 = 19,876.55 : x
  2. Step 2: Convert to fraction form
    49,458.69/74,191.46 = 19,876.55/x
  3. Step 3: Cross multiply
    49,458.69x = 74,191.46 × 19,876.55
  4. Step 4: Simplify right side
    49,458.69x = 1,474,669,793.92
  5. Step 5: Solve for x
    x = 1,474,669,793.92/49,458.69
  6. Step 6: Final answer
    x = 29,816.19

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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.