Home / 38,131.92-57,210.17-31,956.37

Finding the Fourth Proportional to 38,131.92, 57,210.17 and 31,956.37

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Solution

The fourth proportional to 38,131.92, 57,210.17 and 31,956.37 is: 47,944.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,131.92 : 57,210.17 = 31,956.37 : x
  2. Step 2: Convert to fraction form
    38,131.92/57,210.17 = 31,956.37/x
  3. Step 3: Cross multiply
    38,131.92x = 57,210.17 × 31,956.37
  4. Step 4: Simplify right side
    38,131.92x = 1,828,229,057.48
  5. Step 5: Solve for x
    x = 1,828,229,057.48/38,131.92
  6. Step 6: Final answer
    x = 47,944.85

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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.