Home / 49,512.72-74,271.52-18,340.68

Finding the Fourth Proportional to 49,512.72, 74,271.52 and 18,340.68

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Solution

The fourth proportional to 49,512.72, 74,271.52 and 18,340.68 is: 27,511.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,512.72 : 74,271.52 = 18,340.68 : x
  2. Step 2: Convert to fraction form
    49,512.72/74,271.52 = 18,340.68/x
  3. Step 3: Cross multiply
    49,512.72x = 74,271.52 × 18,340.68
  4. Step 4: Simplify right side
    49,512.72x = 1,362,190,181.43
  5. Step 5: Solve for x
    x = 1,362,190,181.43/49,512.72
  6. Step 6: Final answer
    x = 27,511.92

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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.