Home / 33,123.06-45,709.79-18,975.96

Finding the Fourth Proportional to 33,123.06, 45,709.79 and 18,975.96

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Solution

The fourth proportional to 33,123.06, 45,709.79 and 18,975.96 is: 26,186.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,123.06 : 45,709.79 = 18,975.96 : x
  2. Step 2: Convert to fraction form
    33,123.06/45,709.79 = 18,975.96/x
  3. Step 3: Cross multiply
    33,123.06x = 45,709.79 × 18,975.96
  4. Step 4: Simplify right side
    33,123.06x = 867,387,146.65
  5. Step 5: Solve for x
    x = 867,387,146.65/33,123.06
  6. Step 6: Final answer
    x = 26,186.81

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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.