Home / 41,022.64-61,533.96-12,942.78

Finding the Fourth Proportional to 41,022.64, 61,533.96 and 12,942.78

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Solution

The fourth proportional to 41,022.64, 61,533.96 and 12,942.78 is: 19,414.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,022.64 : 61,533.96 = 12,942.78 : x
  2. Step 2: Convert to fraction form
    41,022.64/61,533.96 = 12,942.78/x
  3. Step 3: Cross multiply
    41,022.64x = 61,533.96 × 12,942.78
  4. Step 4: Simplify right side
    41,022.64x = 796,420,506.81
  5. Step 5: Solve for x
    x = 796,420,506.81/41,022.64
  6. Step 6: Final answer
    x = 19,414.17

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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.