Home / 31,945.20-44,060.91-20,608.94

Finding the Fourth Proportional to 31,945.20, 44,060.91 and 20,608.94

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Solution

The fourth proportional to 31,945.20, 44,060.91 and 20,608.94 is: 28,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,945.20 : 44,060.91 = 20,608.94 : x
  2. Step 2: Convert to fraction form
    31,945.20/44,060.91 = 20,608.94/x
  3. Step 3: Cross multiply
    31,945.20x = 44,060.91 × 20,608.94
  4. Step 4: Simplify right side
    31,945.20x = 908,048,650.54
  5. Step 5: Solve for x
    x = 908,048,650.54/31,945.20
  6. Step 6: Final answer
    x = 28,425.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.