Home / 31,289.06-46,932.78-10,512.56

Finding the Fourth Proportional to 31,289.06, 46,932.78 and 10,512.56

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Solution

The fourth proportional to 31,289.06, 46,932.78 and 10,512.56 is: 15,768.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,289.06 : 46,932.78 = 10,512.56 : x
  2. Step 2: Convert to fraction form
    31,289.06/46,932.78 = 10,512.56/x
  3. Step 3: Cross multiply
    31,289.06x = 46,932.78 × 10,512.56
  4. Step 4: Simplify right side
    31,289.06x = 493,383,665.72
  5. Step 5: Solve for x
    x = 493,383,665.72/31,289.06
  6. Step 6: Final answer
    x = 15,768.57

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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.