Home / 38,908.56-53,694.06-22,141.56

Finding the Fourth Proportional to 38,908.56, 53,694.06 and 22,141.56

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Solution

The fourth proportional to 38,908.56, 53,694.06 and 22,141.56 is: 30,555.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,908.56 : 53,694.06 = 22,141.56 : x
  2. Step 2: Convert to fraction form
    38,908.56/53,694.06 = 22,141.56/x
  3. Step 3: Cross multiply
    38,908.56x = 53,694.06 × 22,141.56
  4. Step 4: Simplify right side
    38,908.56x = 1,188,870,251.13
  5. Step 5: Solve for x
    x = 1,188,870,251.13/38,908.56
  6. Step 6: Final answer
    x = 30,555.49

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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.