Home / 36,543.87-50,429.52-20,629.80

Finding the Fourth Proportional to 36,543.87, 50,429.52 and 20,629.80

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Solution

The fourth proportional to 36,543.87, 50,429.52 and 20,629.80 is: 28,468.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,543.87 : 50,429.52 = 20,629.80 : x
  2. Step 2: Convert to fraction form
    36,543.87/50,429.52 = 20,629.80/x
  3. Step 3: Cross multiply
    36,543.87x = 50,429.52 × 20,629.80
  4. Step 4: Simplify right side
    36,543.87x = 1,040,350,911.70
  5. Step 5: Solve for x
    x = 1,040,350,911.70/36,543.87
  6. Step 6: Final answer
    x = 28,468.55

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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.