Home / 45,081.75-67,638.21-17,009.85

Finding the Fourth Proportional to 45,081.75, 67,638.21 and 17,009.85

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Solution

The fourth proportional to 45,081.75, 67,638.21 and 17,009.85 is: 25,520.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,081.75 : 67,638.21 = 17,009.85 : x
  2. Step 2: Convert to fraction form
    45,081.75/67,638.21 = 17,009.85/x
  3. Step 3: Cross multiply
    45,081.75x = 67,638.21 × 17,009.85
  4. Step 4: Simplify right side
    45,081.75x = 1,150,515,806.37
  5. Step 5: Solve for x
    x = 1,150,515,806.37/45,081.75
  6. Step 6: Final answer
    x = 25,520.66

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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.