Home / 49,940.72-74,900.94-18,339.92

Finding the Fourth Proportional to 49,940.72, 74,900.94 and 18,339.92

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Solution

The fourth proportional to 49,940.72, 74,900.94 and 18,339.92 is: 27,506.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,940.72 : 74,900.94 = 18,339.92 : x
  2. Step 2: Convert to fraction form
    49,940.72/74,900.94 = 18,339.92/x
  3. Step 3: Cross multiply
    49,940.72x = 74,900.94 × 18,339.92
  4. Step 4: Simplify right side
    49,940.72x = 1,373,677,247.52
  5. Step 5: Solve for x
    x = 1,373,677,247.52/49,940.72
  6. Step 6: Final answer
    x = 27,506.16

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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.