Home / 31,255.70-43,133.90-17,108.54

Finding the Fourth Proportional to 31,255.70, 43,133.90 and 17,108.54

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Solution

The fourth proportional to 31,255.70, 43,133.90 and 17,108.54 is: 23,610.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,255.70 : 43,133.90 = 17,108.54 : x
  2. Step 2: Convert to fraction form
    31,255.70/43,133.90 = 17,108.54/x
  3. Step 3: Cross multiply
    31,255.70x = 43,133.90 × 17,108.54
  4. Step 4: Simplify right side
    31,255.70x = 737,957,967.96
  5. Step 5: Solve for x
    x = 737,957,967.96/31,255.70
  6. Step 6: Final answer
    x = 23,610.35

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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.