Home / 38,229.16-57,343.74-11,936.16

Finding the Fourth Proportional to 38,229.16, 57,343.74 and 11,936.16

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Solution

The fourth proportional to 38,229.16, 57,343.74 and 11,936.16 is: 17,904.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,229.16 : 57,343.74 = 11,936.16 : x
  2. Step 2: Convert to fraction form
    38,229.16/57,343.74 = 11,936.16/x
  3. Step 3: Cross multiply
    38,229.16x = 57,343.74 × 11,936.16
  4. Step 4: Simplify right side
    38,229.16x = 684,463,768.92
  5. Step 5: Solve for x
    x = 684,463,768.92/38,229.16
  6. Step 6: Final answer
    x = 17,904.23

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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.