Home / 57,011.44-78,668.97-31,514.36

Finding the Fourth Proportional to 57,011.44, 78,668.97 and 31,514.36

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Solution

The fourth proportional to 57,011.44, 78,668.97 and 31,514.36 is: 43,486.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,011.44 : 78,668.97 = 31,514.36 : x
  2. Step 2: Convert to fraction form
    57,011.44/78,668.97 = 31,514.36/x
  3. Step 3: Cross multiply
    57,011.44x = 78,668.97 × 31,514.36
  4. Step 4: Simplify right side
    57,011.44x = 2,479,202,241.41
  5. Step 5: Solve for x
    x = 2,479,202,241.41/57,011.44
  6. Step 6: Final answer
    x = 43,486.05

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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.