Home / 31,287.42-43,166.09-17,849.22

Finding the Fourth Proportional to 31,287.42, 43,166.09 and 17,849.22

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Solution

The fourth proportional to 31,287.42, 43,166.09 and 17,849.22 is: 24,625.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,287.42 : 43,166.09 = 17,849.22 : x
  2. Step 2: Convert to fraction form
    31,287.42/43,166.09 = 17,849.22/x
  3. Step 3: Cross multiply
    31,287.42x = 43,166.09 × 17,849.22
  4. Step 4: Simplify right side
    31,287.42x = 770,480,947.70
  5. Step 5: Solve for x
    x = 770,480,947.70/31,287.42
  6. Step 6: Final answer
    x = 24,625.90

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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.