Home / 31,460.55-47,198.99-11,739.25

Finding the Fourth Proportional to 31,460.55, 47,198.99 and 11,739.25

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Solution

The fourth proportional to 31,460.55, 47,198.99 and 11,739.25 is: 17,611.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,460.55 : 47,198.99 = 11,739.25 : x
  2. Step 2: Convert to fraction form
    31,460.55/47,198.99 = 11,739.25/x
  3. Step 3: Cross multiply
    31,460.55x = 47,198.99 × 11,739.25
  4. Step 4: Simplify right side
    31,460.55x = 554,080,743.36
  5. Step 5: Solve for x
    x = 554,080,743.36/31,460.55
  6. Step 6: Final answer
    x = 17,611.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.