Home / 40,744.22-56,121.85-28,786.80

Finding the Fourth Proportional to 40,744.22, 56,121.85 and 28,786.80

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Solution

The fourth proportional to 40,744.22, 56,121.85 and 28,786.80 is: 39,651.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,744.22 : 56,121.85 = 28,786.80 : x
  2. Step 2: Convert to fraction form
    40,744.22/56,121.85 = 28,786.80/x
  3. Step 3: Cross multiply
    40,744.22x = 56,121.85 × 28,786.80
  4. Step 4: Simplify right side
    40,744.22x = 1,615,568,471.58
  5. Step 5: Solve for x
    x = 1,615,568,471.58/40,744.22
  6. Step 6: Final answer
    x = 39,651.48

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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.