Home / 31,727.08-43,785.12-17,579.62

Finding the Fourth Proportional to 31,727.08, 43,785.12 and 17,579.62

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Solution

The fourth proportional to 31,727.08, 43,785.12 and 17,579.62 is: 24,260.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,727.08 : 43,785.12 = 17,579.62 : x
  2. Step 2: Convert to fraction form
    31,727.08/43,785.12 = 17,579.62/x
  3. Step 3: Cross multiply
    31,727.08x = 43,785.12 × 17,579.62
  4. Step 4: Simplify right side
    31,727.08x = 769,725,771.25
  5. Step 5: Solve for x
    x = 769,725,771.25/31,727.08
  6. Step 6: Final answer
    x = 24,260.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.