Home / 31,266.24-43,147.04-17,118.88

Finding the Fourth Proportional to 31,266.24, 43,147.04 and 17,118.88

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Solution

The fourth proportional to 31,266.24, 43,147.04 and 17,118.88 is: 23,623.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,266.24 : 43,147.04 = 17,118.88 : x
  2. Step 2: Convert to fraction form
    31,266.24/43,147.04 = 17,118.88/x
  3. Step 3: Cross multiply
    31,266.24x = 43,147.04 × 17,118.88
  4. Step 4: Simplify right side
    31,266.24x = 738,629,000.12
  5. Step 5: Solve for x
    x = 738,629,000.12/31,266.24
  6. Step 6: Final answer
    x = 23,623.85

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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.