Home / 41,109.60-56,718.72-28,367.04

Finding the Fourth Proportional to 41,109.60, 56,718.72 and 28,367.04

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Solution

The fourth proportional to 41,109.60, 56,718.72 and 28,367.04 is: 39,137.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,109.60 : 56,718.72 = 28,367.04 : x
  2. Step 2: Convert to fraction form
    41,109.60/56,718.72 = 28,367.04/x
  3. Step 3: Cross multiply
    41,109.60x = 56,718.72 × 28,367.04
  4. Step 4: Simplify right side
    41,109.60x = 1,608,942,198.99
  5. Step 5: Solve for x
    x = 1,608,942,198.99/41,109.60
  6. Step 6: Final answer
    x = 39,137.87

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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.