Home / 57,481.47-79,322.85-31,986.54

Finding the Fourth Proportional to 57,481.47, 79,322.85 and 31,986.54

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Solution

The fourth proportional to 57,481.47, 79,322.85 and 31,986.54 is: 44,140.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,481.47 : 79,322.85 = 31,986.54 : x
  2. Step 2: Convert to fraction form
    57,481.47/79,322.85 = 31,986.54/x
  3. Step 3: Cross multiply
    57,481.47x = 79,322.85 × 31,986.54
  4. Step 4: Simplify right side
    57,481.47x = 2,537,263,514.44
  5. Step 5: Solve for x
    x = 2,537,263,514.44/57,481.47
  6. Step 6: Final answer
    x = 44,140.55

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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.