Home / 36,722.64-55,037.76-20,047.92

Finding the Fourth Proportional to 36,722.64, 55,037.76 and 20,047.92

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Solution

The fourth proportional to 36,722.64, 55,037.76 and 20,047.92 is: 30,046.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,722.64 : 55,037.76 = 20,047.92 : x
  2. Step 2: Convert to fraction form
    36,722.64/55,037.76 = 20,047.92/x
  3. Step 3: Cross multiply
    36,722.64x = 55,037.76 × 20,047.92
  4. Step 4: Simplify right side
    36,722.64x = 1,103,392,609.46
  5. Step 5: Solve for x
    x = 1,103,392,609.46/36,722.64
  6. Step 6: Final answer
    x = 30,046.66

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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.