Home / 36,005.87-49,687.67-19,873.30

Finding the Fourth Proportional to 36,005.87, 49,687.67 and 19,873.30

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Solution

The fourth proportional to 36,005.87, 49,687.67 and 19,873.30 is: 27,424.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,005.87 : 49,687.67 = 19,873.30 : x
  2. Step 2: Convert to fraction form
    36,005.87/49,687.67 = 19,873.30/x
  3. Step 3: Cross multiply
    36,005.87x = 49,687.67 × 19,873.30
  4. Step 4: Simplify right side
    36,005.87x = 987,457,624.41
  5. Step 5: Solve for x
    x = 987,457,624.41/36,005.87
  6. Step 6: Final answer
    x = 27,424.91

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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.