Home / 57,336.06-79,123.96-31,842.49

Finding the Fourth Proportional to 57,336.06, 79,123.96 and 31,842.49

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Solution

The fourth proportional to 57,336.06, 79,123.96 and 31,842.49 is: 43,942.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,336.06 : 79,123.96 = 31,842.49 : x
  2. Step 2: Convert to fraction form
    57,336.06/79,123.96 = 31,842.49/x
  3. Step 3: Cross multiply
    57,336.06x = 79,123.96 × 31,842.49
  4. Step 4: Simplify right side
    57,336.06x = 2,519,503,745.85
  5. Step 5: Solve for x
    x = 2,519,503,745.85/57,336.06
  6. Step 6: Final answer
    x = 43,942.74

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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.