Home / 31,257.81-43,134.09-17,107.92

Finding the Fourth Proportional to 31,257.81, 43,134.09 and 17,107.92

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Solution

The fourth proportional to 31,257.81, 43,134.09 and 17,107.92 is: 23,608.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,257.81 : 43,134.09 = 17,107.92 : x
  2. Step 2: Convert to fraction form
    31,257.81/43,134.09 = 17,107.92/x
  3. Step 3: Cross multiply
    31,257.81x = 43,134.09 × 17,107.92
  4. Step 4: Simplify right side
    31,257.81x = 737,934,560.99
  5. Step 5: Solve for x
    x = 737,934,560.99/31,257.81
  6. Step 6: Final answer
    x = 23,608.01

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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.