Home / 31,249.26-43,126.56-17,821.08

Finding the Fourth Proportional to 31,249.26, 43,126.56 and 17,821.08

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Solution

The fourth proportional to 31,249.26, 43,126.56 and 17,821.08 is: 24,594.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,249.26 : 43,126.56 = 17,821.08 : x
  2. Step 2: Convert to fraction form
    31,249.26/43,126.56 = 17,821.08/x
  3. Step 3: Cross multiply
    31,249.26x = 43,126.56 × 17,821.08
  4. Step 4: Simplify right side
    31,249.26x = 768,561,875.88
  5. Step 5: Solve for x
    x = 768,561,875.88/31,249.26
  6. Step 6: Final answer
    x = 24,594.56

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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.