Home / 57,104.44-78,799.19-31,610.83

Finding the Fourth Proportional to 57,104.44, 78,799.19 and 31,610.83

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Solution

The fourth proportional to 57,104.44, 78,799.19 and 31,610.83 is: 43,620.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,104.44 : 78,799.19 = 31,610.83 : x
  2. Step 2: Convert to fraction form
    57,104.44/78,799.19 = 31,610.83/x
  3. Step 3: Cross multiply
    57,104.44x = 78,799.19 × 31,610.83
  4. Step 4: Simplify right side
    57,104.44x = 2,490,907,799.23
  5. Step 5: Solve for x
    x = 2,490,907,799.23/57,104.44
  6. Step 6: Final answer
    x = 43,620.21

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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.