Home / 31,231.87-46,823.20-11,499.66

Finding the Fourth Proportional to 31,231.87, 46,823.20 and 11,499.66

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Solution

The fourth proportional to 31,231.87, 46,823.20 and 11,499.66 is: 17,240.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,231.87 : 46,823.20 = 11,499.66 : x
  2. Step 2: Convert to fraction form
    31,231.87/46,823.20 = 11,499.66/x
  3. Step 3: Cross multiply
    31,231.87x = 46,823.20 × 11,499.66
  4. Step 4: Simplify right side
    31,231.87x = 538,450,851.36
  5. Step 5: Solve for x
    x = 538,450,851.36/31,231.87
  6. Step 6: Final answer
    x = 17,240.43

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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.