Home / 36,730.40-55,057.20-20,064.80

Finding the Fourth Proportional to 36,730.40, 55,057.20 and 20,064.80

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Solution

The fourth proportional to 36,730.40, 55,057.20 and 20,064.80 is: 30,076.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,730.40 : 55,057.20 = 20,064.80 : x
  2. Step 2: Convert to fraction form
    36,730.40/55,057.20 = 20,064.80/x
  3. Step 3: Cross multiply
    36,730.40x = 55,057.20 × 20,064.80
  4. Step 4: Simplify right side
    36,730.40x = 1,104,711,706.56
  5. Step 5: Solve for x
    x = 1,104,711,706.56/36,730.40
  6. Step 6: Final answer
    x = 30,076.22

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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.