Home / 51,939.11-71,664.40-31,794.41

Finding the Fourth Proportional to 51,939.11, 71,664.40 and 31,794.41

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Solution

The fourth proportional to 51,939.11, 71,664.40 and 31,794.41 is: 43,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,939.11 : 71,664.40 = 31,794.41 : x
  2. Step 2: Convert to fraction form
    51,939.11/71,664.40 = 31,794.41/x
  3. Step 3: Cross multiply
    51,939.11x = 71,664.40 × 31,794.41
  4. Step 4: Simplify right side
    51,939.11x = 2,278,527,316.00
  5. Step 5: Solve for x
    x = 2,278,527,316.00/51,939.11
  6. Step 6: Final answer
    x = 43,869.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.