Home / 31,473.20-47,198.56-10,409.36

Finding the Fourth Proportional to 31,473.20, 47,198.56 and 10,409.36

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Solution

The fourth proportional to 31,473.20, 47,198.56 and 10,409.36 is: 15,610.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,473.20 : 47,198.56 = 10,409.36 : x
  2. Step 2: Convert to fraction form
    31,473.20/47,198.56 = 10,409.36/x
  3. Step 3: Cross multiply
    31,473.20x = 47,198.56 × 10,409.36
  4. Step 4: Simplify right side
    31,473.20x = 491,306,802.52
  5. Step 5: Solve for x
    x = 491,306,802.52/31,473.20
  6. Step 6: Final answer
    x = 15,610.32

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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.