Home / 38,382.77-57,518.15-17,009.70

Finding the Fourth Proportional to 38,382.77, 57,518.15 and 17,009.70

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Solution

The fourth proportional to 38,382.77, 57,518.15 and 17,009.70 is: 25,489.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,382.77 : 57,518.15 = 17,009.70 : x
  2. Step 2: Convert to fraction form
    38,382.77/57,518.15 = 17,009.70/x
  3. Step 3: Cross multiply
    38,382.77x = 57,518.15 × 17,009.70
  4. Step 4: Simplify right side
    38,382.77x = 978,366,476.06
  5. Step 5: Solve for x
    x = 978,366,476.06/38,382.77
  6. Step 6: Final answer
    x = 25,489.73

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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.