Home / 44,006.68-66,013.86-20,620.60

Finding the Fourth Proportional to 44,006.68, 66,013.86 and 20,620.60

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Solution

The fourth proportional to 44,006.68, 66,013.86 and 20,620.60 is: 30,932.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,006.68 : 66,013.86 = 20,620.60 : x
  2. Step 2: Convert to fraction form
    44,006.68/66,013.86 = 20,620.60/x
  3. Step 3: Cross multiply
    44,006.68x = 66,013.86 × 20,620.60
  4. Step 4: Simplify right side
    44,006.68x = 1,361,245,401.52
  5. Step 5: Solve for x
    x = 1,361,245,401.52/44,006.68
  6. Step 6: Final answer
    x = 30,932.70

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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.