Home / 36,740.15-55,125.82-20,080.71

Finding the Fourth Proportional to 36,740.15, 55,125.82 and 20,080.71

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Solution

The fourth proportional to 36,740.15, 55,125.82 and 20,080.71 is: 30,129.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,740.15 : 55,125.82 = 20,080.71 : x
  2. Step 2: Convert to fraction form
    36,740.15/55,125.82 = 20,080.71/x
  3. Step 3: Cross multiply
    36,740.15x = 55,125.82 × 20,080.71
  4. Step 4: Simplify right side
    36,740.15x = 1,106,965,604.93
  5. Step 5: Solve for x
    x = 1,106,965,604.93/36,740.15
  6. Step 6: Final answer
    x = 30,129.59

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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.