Home / 38,579.28-53,229.66-22,660.62

Finding the Fourth Proportional to 38,579.28, 53,229.66 and 22,660.62

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Solution

The fourth proportional to 38,579.28, 53,229.66 and 22,660.62 is: 31,265.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,579.28 : 53,229.66 = 22,660.62 : x
  2. Step 2: Convert to fraction form
    38,579.28/53,229.66 = 22,660.62/x
  3. Step 3: Cross multiply
    38,579.28x = 53,229.66 × 22,660.62
  4. Step 4: Simplify right side
    38,579.28x = 1,206,217,097.99
  5. Step 5: Solve for x
    x = 1,206,217,097.99/38,579.28
  6. Step 6: Final answer
    x = 31,265.93

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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.