Home / 31,371.53-43,287.05-17,759.48

Finding the Fourth Proportional to 31,371.53, 43,287.05 and 17,759.48

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Solution

The fourth proportional to 31,371.53, 43,287.05 and 17,759.48 is: 24,504.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,371.53 : 43,287.05 = 17,759.48 : x
  2. Step 2: Convert to fraction form
    31,371.53/43,287.05 = 17,759.48/x
  3. Step 3: Cross multiply
    31,371.53x = 43,287.05 × 17,759.48
  4. Step 4: Simplify right side
    31,371.53x = 768,755,193.50
  5. Step 5: Solve for x
    x = 768,755,193.50/31,371.53
  6. Step 6: Final answer
    x = 24,504.87

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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.