Home / 38,301.06-57,451.74-11,647.38

Finding the Fourth Proportional to 38,301.06, 57,451.74 and 11,647.38

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Solution

The fourth proportional to 38,301.06, 57,451.74 and 11,647.38 is: 17,471.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,301.06 : 57,451.74 = 11,647.38 : x
  2. Step 2: Convert to fraction form
    38,301.06/57,451.74 = 11,647.38/x
  3. Step 3: Cross multiply
    38,301.06x = 57,451.74 × 11,647.38
  4. Step 4: Simplify right side
    38,301.06x = 669,162,247.44
  5. Step 5: Solve for x
    x = 669,162,247.44/38,301.06
  6. Step 6: Final answer
    x = 17,471.12

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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.