Home / 33,155.51-49,733.79-18,457.85

Finding the Fourth Proportional to 33,155.51, 49,733.79 and 18,457.85

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Solution

The fourth proportional to 33,155.51, 49,733.79 and 18,457.85 is: 27,687.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,155.51 : 49,733.79 = 18,457.85 : x
  2. Step 2: Convert to fraction form
    33,155.51/49,733.79 = 18,457.85/x
  3. Step 3: Cross multiply
    33,155.51x = 49,733.79 × 18,457.85
  4. Step 4: Simplify right side
    33,155.51x = 917,978,517.87
  5. Step 5: Solve for x
    x = 917,978,517.87/33,155.51
  6. Step 6: Final answer
    x = 27,687.06

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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.