Home / 57,280.83-79,047.37-31,791.04

Finding the Fourth Proportional to 57,280.83, 79,047.37 and 31,791.04

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Solution

The fourth proportional to 57,280.83, 79,047.37 and 31,791.04 is: 43,871.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,280.83 : 79,047.37 = 31,791.04 : x
  2. Step 2: Convert to fraction form
    57,280.83/79,047.37 = 31,791.04/x
  3. Step 3: Cross multiply
    57,280.83x = 79,047.37 × 31,791.04
  4. Step 4: Simplify right side
    57,280.83x = 2,512,998,101.56
  5. Step 5: Solve for x
    x = 2,512,998,101.56/57,280.83
  6. Step 6: Final answer
    x = 43,871.54

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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.