Home / 31,615.21-43,629.87-17,468.97

Finding the Fourth Proportional to 31,615.21, 43,629.87 and 17,468.97

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Solution

The fourth proportional to 31,615.21, 43,629.87 and 17,468.97 is: 24,107.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,615.21 : 43,629.87 = 17,468.97 : x
  2. Step 2: Convert to fraction form
    31,615.21/43,629.87 = 17,468.97/x
  3. Step 3: Cross multiply
    31,615.21x = 43,629.87 × 17,468.97
  4. Step 4: Simplify right side
    31,615.21x = 762,168,890.13
  5. Step 5: Solve for x
    x = 762,168,890.13/31,615.21
  6. Step 6: Final answer
    x = 24,107.66

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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.