Home / 57,289.74-79,060.67-31,796.61

Finding the Fourth Proportional to 57,289.74, 79,060.67 and 31,796.61

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Solution

The fourth proportional to 57,289.74, 79,060.67 and 31,796.61 is: 43,879.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,289.74 : 79,060.67 = 31,796.61 : x
  2. Step 2: Convert to fraction form
    57,289.74/79,060.67 = 31,796.61/x
  3. Step 3: Cross multiply
    57,289.74x = 79,060.67 × 31,796.61
  4. Step 4: Simplify right side
    57,289.74x = 2,513,861,290.33
  5. Step 5: Solve for x
    x = 2,513,861,290.33/57,289.74
  6. Step 6: Final answer
    x = 43,879.78

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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.