Home / 31,620.88-43,636.80-17,473.60

Finding the Fourth Proportional to 31,620.88, 43,636.80 and 17,473.60

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Solution

The fourth proportional to 31,620.88, 43,636.80 and 17,473.60 is: 24,113.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,620.88 : 43,636.80 = 17,473.60 : x
  2. Step 2: Convert to fraction form
    31,620.88/43,636.80 = 17,473.60/x
  3. Step 3: Cross multiply
    31,620.88x = 43,636.80 × 17,473.60
  4. Step 4: Simplify right side
    31,620.88x = 762,491,988.48
  5. Step 5: Solve for x
    x = 762,491,988.48/31,620.88
  6. Step 6: Final answer
    x = 24,113.56

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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.