Home / 31,429.04-43,372.25-17,282.80

Finding the Fourth Proportional to 31,429.04, 43,372.25 and 17,282.80

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Solution

The fourth proportional to 31,429.04, 43,372.25 and 17,282.80 is: 23,850.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,429.04 : 43,372.25 = 17,282.80 : x
  2. Step 2: Convert to fraction form
    31,429.04/43,372.25 = 17,282.80/x
  3. Step 3: Cross multiply
    31,429.04x = 43,372.25 × 17,282.80
  4. Step 4: Simplify right side
    31,429.04x = 749,593,922.30
  5. Step 5: Solve for x
    x = 749,593,922.30/31,429.04
  6. Step 6: Final answer
    x = 23,850.36

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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.