Home / 36,037.38-49,731.63-20,122.38

Finding the Fourth Proportional to 36,037.38, 49,731.63 and 20,122.38

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Solution

The fourth proportional to 36,037.38, 49,731.63 and 20,122.38 is: 27,768.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,037.38 : 49,731.63 = 20,122.38 : x
  2. Step 2: Convert to fraction form
    36,037.38/49,731.63 = 20,122.38/x
  3. Step 3: Cross multiply
    36,037.38x = 49,731.63 × 20,122.38
  4. Step 4: Simplify right side
    36,037.38x = 1,000,718,756.88
  5. Step 5: Solve for x
    x = 1,000,718,756.88/36,037.38
  6. Step 6: Final answer
    x = 27,768.91

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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.