Home / 31,257.52-43,133.76-17,107.68

Finding the Fourth Proportional to 31,257.52, 43,133.76 and 17,107.68

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Solution

The fourth proportional to 31,257.52, 43,133.76 and 17,107.68 is: 23,607.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,257.52 : 43,133.76 = 17,107.68 : x
  2. Step 2: Convert to fraction form
    31,257.52/43,133.76 = 17,107.68/x
  3. Step 3: Cross multiply
    31,257.52x = 43,133.76 × 17,107.68
  4. Step 4: Simplify right side
    31,257.52x = 737,918,563.28
  5. Step 5: Solve for x
    x = 737,918,563.28/31,257.52
  6. Step 6: Final answer
    x = 23,607.71

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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.