Home / 31,703.56-47,514.64-11,958.60

Finding the Fourth Proportional to 31,703.56, 47,514.64 and 11,958.60

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Solution

The fourth proportional to 31,703.56, 47,514.64 and 11,958.60 is: 17,922.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,703.56 : 47,514.64 = 11,958.60 : x
  2. Step 2: Convert to fraction form
    31,703.56/47,514.64 = 11,958.60/x
  3. Step 3: Cross multiply
    31,703.56x = 47,514.64 × 11,958.60
  4. Step 4: Simplify right side
    31,703.56x = 568,208,573.90
  5. Step 5: Solve for x
    x = 568,208,573.90/31,703.56
  6. Step 6: Final answer
    x = 17,922.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.