Home / 31,473.21-47,198.57-10,409.36

Finding the Fourth Proportional to 31,473.21, 47,198.57 and 10,409.36

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Solution

The fourth proportional to 31,473.21, 47,198.57 and 10,409.36 is: 15,610.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,473.21 : 47,198.57 = 10,409.36 : x
  2. Step 2: Convert to fraction form
    31,473.21/47,198.57 = 10,409.36/x
  3. Step 3: Cross multiply
    31,473.21x = 47,198.57 × 10,409.36
  4. Step 4: Simplify right side
    31,473.21x = 491,306,906.62
  5. Step 5: Solve for x
    x = 491,306,906.62/31,473.21
  6. Step 6: Final answer
    x = 15,610.32

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1.5x scale

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.