Home / 49,596.78-74,395.16-20,007.68

Finding the Fourth Proportional to 49,596.78, 74,395.16 and 20,007.68

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Solution

The fourth proportional to 49,596.78, 74,395.16 and 20,007.68 is: 30,011.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,596.78 : 74,395.16 = 20,007.68 : x
  2. Step 2: Convert to fraction form
    49,596.78/74,395.16 = 20,007.68/x
  3. Step 3: Cross multiply
    49,596.78x = 74,395.16 × 20,007.68
  4. Step 4: Simplify right side
    49,596.78x = 1,488,474,785.55
  5. Step 5: Solve for x
    x = 1,488,474,785.55/49,596.78
  6. Step 6: Final answer
    x = 30,011.52

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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.