Home / 57,940.75-79,958.24-31,444.75

Finding the Fourth Proportional to 57,940.75, 79,958.24 and 31,444.75

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Solution

The fourth proportional to 57,940.75, 79,958.24 and 31,444.75 is: 43,393.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,940.75 : 79,958.24 = 31,444.75 : x
  2. Step 2: Convert to fraction form
    57,940.75/79,958.24 = 31,444.75/x
  3. Step 3: Cross multiply
    57,940.75x = 79,958.24 × 31,444.75
  4. Step 4: Simplify right side
    57,940.75x = 2,514,266,867.24
  5. Step 5: Solve for x
    x = 2,514,266,867.24/57,940.75
  6. Step 6: Final answer
    x = 43,393.76

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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.