Home / 36,313.78-54,470.67-31,751.86

Finding the Fourth Proportional to 36,313.78, 54,470.67 and 31,751.86

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Solution

The fourth proportional to 36,313.78, 54,470.67 and 31,751.86 is: 47,627.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,313.78 : 54,470.67 = 31,751.86 : x
  2. Step 2: Convert to fraction form
    36,313.78/54,470.67 = 31,751.86/x
  3. Step 3: Cross multiply
    36,313.78x = 54,470.67 × 31,751.86
  4. Step 4: Simplify right side
    36,313.78x = 1,729,545,087.95
  5. Step 5: Solve for x
    x = 1,729,545,087.95/36,313.78
  6. Step 6: Final answer
    x = 47,627.79

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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.