Home / 39,581.88-59,375.25-17,405.70

Finding the Fourth Proportional to 39,581.88, 59,375.25 and 17,405.70

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Solution

The fourth proportional to 39,581.88, 59,375.25 and 17,405.70 is: 26,109.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,581.88 : 59,375.25 = 17,405.70 : x
  2. Step 2: Convert to fraction form
    39,581.88/59,375.25 = 17,405.70/x
  3. Step 3: Cross multiply
    39,581.88x = 59,375.25 × 17,405.70
  4. Step 4: Simplify right side
    39,581.88x = 1,033,467,788.93
  5. Step 5: Solve for x
    x = 1,033,467,788.93/39,581.88
  6. Step 6: Final answer
    x = 26,109.62

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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.