Home / 33,153.94-49,730.91-12,379.06

Finding the Fourth Proportional to 33,153.94, 49,730.91 and 12,379.06

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Solution

The fourth proportional to 33,153.94, 49,730.91 and 12,379.06 is: 18,568.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,153.94 : 49,730.91 = 12,379.06 : x
  2. Step 2: Convert to fraction form
    33,153.94/49,730.91 = 12,379.06/x
  3. Step 3: Cross multiply
    33,153.94x = 49,730.91 × 12,379.06
  4. Step 4: Simplify right side
    33,153.94x = 615,621,918.74
  5. Step 5: Solve for x
    x = 615,621,918.74/33,153.94
  6. Step 6: Final answer
    x = 18,568.59

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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.