Home / 31,896.06-47,848-10,839.57

Finding the Fourth Proportional to 31,896.06, 47,848 and 10,839.57

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Solution

The fourth proportional to 31,896.06, 47,848 and 10,839.57 is: 16,260.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,896.06 : 47,848 = 10,839.57 : x
  2. Step 2: Convert to fraction form
    31,896.06/47,848 = 10,839.57/x
  3. Step 3: Cross multiply
    31,896.06x = 47,848 × 10,839.57
  4. Step 4: Simplify right side
    31,896.06x = 518,651,745.36
  5. Step 5: Solve for x
    x = 518,651,745.36/31,896.06
  6. Step 6: Final answer
    x = 16,260.68

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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.