Home / 31,231.06-46,849.87-10,172.74

Finding the Fourth Proportional to 31,231.06, 46,849.87 and 10,172.74

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Solution

The fourth proportional to 31,231.06, 46,849.87 and 10,172.74 is: 15,260.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,231.06 : 46,849.87 = 10,172.74 : x
  2. Step 2: Convert to fraction form
    31,231.06/46,849.87 = 10,172.74/x
  3. Step 3: Cross multiply
    31,231.06x = 46,849.87 × 10,172.74
  4. Step 4: Simplify right side
    31,231.06x = 476,591,378.56
  5. Step 5: Solve for x
    x = 476,591,378.56/31,231.06
  6. Step 6: Final answer
    x = 15,260.17

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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.