Home / 38,579.56-53,251.74-22,451.68

Finding the Fourth Proportional to 38,579.56, 53,251.74 and 22,451.68

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Solution

The fourth proportional to 38,579.56, 53,251.74 and 22,451.68 is: 30,990.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,579.56 : 53,251.74 = 22,451.68 : x
  2. Step 2: Convert to fraction form
    38,579.56/53,251.74 = 22,451.68/x
  3. Step 3: Cross multiply
    38,579.56x = 53,251.74 × 22,451.68
  4. Step 4: Simplify right side
    38,579.56x = 1,195,591,025.92
  5. Step 5: Solve for x
    x = 1,195,591,025.92/38,579.56
  6. Step 6: Final answer
    x = 30,990.27

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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.