Home / 57,261.62-79,020.90-31,771.85

Finding the Fourth Proportional to 57,261.62, 79,020.90 and 31,771.85

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Solution

The fourth proportional to 57,261.62, 79,020.90 and 31,771.85 is: 43,845.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,261.62 : 79,020.90 = 31,771.85 : x
  2. Step 2: Convert to fraction form
    57,261.62/79,020.90 = 31,771.85/x
  3. Step 3: Cross multiply
    57,261.62x = 79,020.90 × 31,771.85
  4. Step 4: Simplify right side
    57,261.62x = 2,510,640,181.67
  5. Step 5: Solve for x
    x = 2,510,640,181.67/57,261.62
  6. Step 6: Final answer
    x = 43,845.08

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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.