Home / 31,452.25-43,404.78-17,305.12

Finding the Fourth Proportional to 31,452.25, 43,404.78 and 17,305.12

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Solution

The fourth proportional to 31,452.25, 43,404.78 and 17,305.12 is: 23,881.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,452.25 : 43,404.78 = 17,305.12 : x
  2. Step 2: Convert to fraction form
    31,452.25/43,404.78 = 17,305.12/x
  3. Step 3: Cross multiply
    31,452.25x = 43,404.78 × 17,305.12
  4. Step 4: Simplify right side
    31,452.25x = 751,124,926.47
  5. Step 5: Solve for x
    x = 751,124,926.47/31,452.25
  6. Step 6: Final answer
    x = 23,881.44

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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.