Home / 38,709.06-57,912.38-33,991.62

Finding the Fourth Proportional to 38,709.06, 57,912.38 and 33,991.62

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Solution

The fourth proportional to 38,709.06, 57,912.38 and 33,991.62 is: 50,854.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,709.06 : 57,912.38 = 33,991.62 : x
  2. Step 2: Convert to fraction form
    38,709.06/57,912.38 = 33,991.62/x
  3. Step 3: Cross multiply
    38,709.06x = 57,912.38 × 33,991.62
  4. Step 4: Simplify right side
    38,709.06x = 1,968,535,614.26
  5. Step 5: Solve for x
    x = 1,968,535,614.26/38,709.06
  6. Step 6: Final answer
    x = 50,854.65

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1.5x scale

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.