Home / 31,620.21-43,636.77-17,473.98

Finding the Fourth Proportional to 31,620.21, 43,636.77 and 17,473.98

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Solution

The fourth proportional to 31,620.21, 43,636.77 and 17,473.98 is: 24,114.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,620.21 : 43,636.77 = 17,473.98 : x
  2. Step 2: Convert to fraction form
    31,620.21/43,636.77 = 17,473.98/x
  3. Step 3: Cross multiply
    31,620.21x = 43,636.77 × 17,473.98
  4. Step 4: Simplify right side
    31,620.21x = 762,508,046.24
  5. Step 5: Solve for x
    x = 762,508,046.24/31,620.21
  6. Step 6: Final answer
    x = 24,114.58

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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.