Home / 31,998.29-47,933.15-15,939.41

Finding the Fourth Proportional to 31,998.29, 47,933.15 and 15,939.41

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Solution

The fourth proportional to 31,998.29, 47,933.15 and 15,939.41 is: 23,877.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,998.29 : 47,933.15 = 15,939.41 : x
  2. Step 2: Convert to fraction form
    31,998.29/47,933.15 = 15,939.41/x
  3. Step 3: Cross multiply
    31,998.29x = 47,933.15 × 15,939.41
  4. Step 4: Simplify right side
    31,998.29x = 764,025,811.08
  5. Step 5: Solve for x
    x = 764,025,811.08/31,998.29
  6. Step 6: Final answer
    x = 23,877.09

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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.