Home / 31,788.06-47,682.14-11,011.56

Finding the Fourth Proportional to 31,788.06, 47,682.14 and 11,011.56

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Solution

The fourth proportional to 31,788.06, 47,682.14 and 11,011.56 is: 16,517.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,788.06 : 47,682.14 = 11,011.56 : x
  2. Step 2: Convert to fraction form
    31,788.06/47,682.14 = 11,011.56/x
  3. Step 3: Cross multiply
    31,788.06x = 47,682.14 × 11,011.56
  4. Step 4: Simplify right side
    31,788.06x = 525,054,745.54
  5. Step 5: Solve for x
    x = 525,054,745.54/31,788.06
  6. Step 6: Final answer
    x = 16,517.36

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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.