Home / 31,239.89-43,112.12-17,092.73

Finding the Fourth Proportional to 31,239.89, 43,112.12 and 17,092.73

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Solution

The fourth proportional to 31,239.89, 43,112.12 and 17,092.73 is: 23,588.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,239.89 : 43,112.12 = 17,092.73 : x
  2. Step 2: Convert to fraction form
    31,239.89/43,112.12 = 17,092.73/x
  3. Step 3: Cross multiply
    31,239.89x = 43,112.12 × 17,092.73
  4. Step 4: Simplify right side
    31,239.89x = 736,903,525.86
  5. Step 5: Solve for x
    x = 736,903,525.86/31,239.89
  6. Step 6: Final answer
    x = 23,588.55

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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.