Home / 43,986.44-65,948.34-20,600.12

Finding the Fourth Proportional to 43,986.44, 65,948.34 and 20,600.12

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Solution

The fourth proportional to 43,986.44, 65,948.34 and 20,600.12 is: 30,885.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,986.44 : 65,948.34 = 20,600.12 : x
  2. Step 2: Convert to fraction form
    43,986.44/65,948.34 = 20,600.12/x
  3. Step 3: Cross multiply
    43,986.44x = 65,948.34 × 20,600.12
  4. Step 4: Simplify right side
    43,986.44x = 1,358,543,717.80
  5. Step 5: Solve for x
    x = 1,358,543,717.80/43,986.44
  6. Step 6: Final answer
    x = 30,885.51

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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.