Home / 36,728.80-50,694.96-20,822.74

Finding the Fourth Proportional to 36,728.80, 50,694.96 and 20,822.74

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Solution

The fourth proportional to 36,728.80, 50,694.96 and 20,822.74 is: 28,740.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,728.80 : 50,694.96 = 20,822.74 : x
  2. Step 2: Convert to fraction form
    36,728.80/50,694.96 = 20,822.74/x
  3. Step 3: Cross multiply
    36,728.80x = 50,694.96 × 20,822.74
  4. Step 4: Simplify right side
    36,728.80x = 1,055,607,971.39
  5. Step 5: Solve for x
    x = 1,055,607,971.39/36,728.80
  6. Step 6: Final answer
    x = 28,740.61

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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.