Home / 49,443.82-74,164.92-12,004.20

Finding the Fourth Proportional to 49,443.82, 74,164.92 and 12,004.20

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Solution

The fourth proportional to 49,443.82, 74,164.92 and 12,004.20 is: 18,006.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,443.82 : 74,164.92 = 12,004.20 : x
  2. Step 2: Convert to fraction form
    49,443.82/74,164.92 = 12,004.20/x
  3. Step 3: Cross multiply
    49,443.82x = 74,164.92 × 12,004.20
  4. Step 4: Simplify right side
    49,443.82x = 890,290,487.65
  5. Step 5: Solve for x
    x = 890,290,487.65/49,443.82
  6. Step 6: Final answer
    x = 18,006.10

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1.5x scale

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.