Home / 36,129.71-54,171.44-17,372.39

Finding the Fourth Proportional to 36,129.71, 54,171.44 and 17,372.39

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Solution

The fourth proportional to 36,129.71, 54,171.44 and 17,372.39 is: 26,047.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,129.71 : 54,171.44 = 17,372.39 : x
  2. Step 2: Convert to fraction form
    36,129.71/54,171.44 = 17,372.39/x
  3. Step 3: Cross multiply
    36,129.71x = 54,171.44 × 17,372.39
  4. Step 4: Simplify right side
    36,129.71x = 941,087,382.54
  5. Step 5: Solve for x
    x = 941,087,382.54/36,129.71
  6. Step 6: Final answer
    x = 26,047.47

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1.5x scale

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.