Home / 31,255.16-43,130.45-17,105.27

Finding the Fourth Proportional to 31,255.16, 43,130.45 and 17,105.27

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Solution

The fourth proportional to 31,255.16, 43,130.45 and 17,105.27 is: 23,604.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,255.16 : 43,130.45 = 17,105.27 : x
  2. Step 2: Convert to fraction form
    31,255.16/43,130.45 = 17,105.27/x
  3. Step 3: Cross multiply
    31,255.16x = 43,130.45 × 17,105.27
  4. Step 4: Simplify right side
    31,255.16x = 737,757,819.58
  5. Step 5: Solve for x
    x = 737,757,819.58/31,255.16
  6. Step 6: Final answer
    x = 23,604.36

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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.