Home / 31,245.90-43,119.18-17,098.98

Finding the Fourth Proportional to 31,245.90, 43,119.18 and 17,098.98

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Solution

The fourth proportional to 31,245.90, 43,119.18 and 17,098.98 is: 23,596.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,245.90 : 43,119.18 = 17,098.98 : x
  2. Step 2: Convert to fraction form
    31,245.90/43,119.18 = 17,098.98/x
  3. Step 3: Cross multiply
    31,245.90x = 43,119.18 × 17,098.98
  4. Step 4: Simplify right side
    31,245.90x = 737,293,996.44
  5. Step 5: Solve for x
    x = 737,293,996.44/31,245.90
  6. Step 6: Final answer
    x = 23,596.50

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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.