Home / 36,974.81-51,049.87-21,872.32

Finding the Fourth Proportional to 36,974.81, 51,049.87 and 21,872.32

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Solution

The fourth proportional to 36,974.81, 51,049.87 and 21,872.32 is: 30,198.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,974.81 : 51,049.87 = 21,872.32 : x
  2. Step 2: Convert to fraction form
    36,974.81/51,049.87 = 21,872.32/x
  3. Step 3: Cross multiply
    36,974.81x = 51,049.87 × 21,872.32
  4. Step 4: Simplify right side
    36,974.81x = 1,116,579,037.92
  5. Step 5: Solve for x
    x = 1,116,579,037.92/36,974.81
  6. Step 6: Final answer
    x = 30,198.37

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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.