Home / 38,362.05-57,471.79-20,846.61

Finding the Fourth Proportional to 38,362.05, 57,471.79 and 20,846.61

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Solution

The fourth proportional to 38,362.05, 57,471.79 and 20,846.61 is: 31,231.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,362.05 : 57,471.79 = 20,846.61 : x
  2. Step 2: Convert to fraction form
    38,362.05/57,471.79 = 20,846.61/x
  3. Step 3: Cross multiply
    38,362.05x = 57,471.79 × 20,846.61
  4. Step 4: Simplify right side
    38,362.05x = 1,198,091,992.13
  5. Step 5: Solve for x
    x = 1,198,091,992.13/38,362.05
  6. Step 6: Final answer
    x = 31,231.18

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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.