Home / 57,375.98-79,178.86-31,881.60

Finding the Fourth Proportional to 57,375.98, 79,178.86 and 31,881.60

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Solution

The fourth proportional to 57,375.98, 79,178.86 and 31,881.60 is: 43,996.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,375.98 : 79,178.86 = 31,881.60 : x
  2. Step 2: Convert to fraction form
    57,375.98/79,178.86 = 31,881.60/x
  3. Step 3: Cross multiply
    57,375.98x = 79,178.86 × 31,881.60
  4. Step 4: Simplify right side
    57,375.98x = 2,524,348,366.35
  5. Step 5: Solve for x
    x = 2,524,348,366.35/57,375.98
  6. Step 6: Final answer
    x = 43,996.61

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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.