Home / 36,039.18-49,731.92-20,124.62

Finding the Fourth Proportional to 36,039.18, 49,731.92 and 20,124.62

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Solution

The fourth proportional to 36,039.18, 49,731.92 and 20,124.62 is: 27,770.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,039.18 : 49,731.92 = 20,124.62 : x
  2. Step 2: Convert to fraction form
    36,039.18/49,731.92 = 20,124.62/x
  3. Step 3: Cross multiply
    36,039.18x = 49,731.92 × 20,124.62
  4. Step 4: Simplify right side
    36,039.18x = 1,000,835,991.87
  5. Step 5: Solve for x
    x = 1,000,835,991.87/36,039.18
  6. Step 6: Final answer
    x = 27,770.78

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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.