Home / 31,239.72-43,110.76-17,092.56

Finding the Fourth Proportional to 31,239.72, 43,110.76 and 17,092.56

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Solution

The fourth proportional to 31,239.72, 43,110.76 and 17,092.56 is: 23,587.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,239.72 : 43,110.76 = 17,092.56 : x
  2. Step 2: Convert to fraction form
    31,239.72/43,110.76 = 17,092.56/x
  3. Step 3: Cross multiply
    31,239.72x = 43,110.76 × 17,092.56
  4. Step 4: Simplify right side
    31,239.72x = 736,873,251.95
  5. Step 5: Solve for x
    x = 736,873,251.95/31,239.72
  6. Step 6: Final answer
    x = 23,587.70

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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.