Home / 57,270.97-79,031.20-31,777.05

Finding the Fourth Proportional to 57,270.97, 79,031.20 and 31,777.05

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Solution

The fourth proportional to 57,270.97, 79,031.20 and 31,777.05 is: 43,850.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,270.97 : 79,031.20 = 31,777.05 : x
  2. Step 2: Convert to fraction form
    57,270.97/79,031.20 = 31,777.05/x
  3. Step 3: Cross multiply
    57,270.97x = 79,031.20 × 31,777.05
  4. Step 4: Simplify right side
    57,270.97x = 2,511,378,393.96
  5. Step 5: Solve for x
    x = 2,511,378,393.96/57,270.97
  6. Step 6: Final answer
    x = 43,850.81

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1.5x scale

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.