Home / 43,817.20-65,668.20-38,863.60

Finding the Fourth Proportional to 43,817.20, 65,668.20 and 38,863.60

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Solution

The fourth proportional to 43,817.20, 65,668.20 and 38,863.60 is: 58,244.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,817.20 : 65,668.20 = 38,863.60 : x
  2. Step 2: Convert to fraction form
    43,817.20/65,668.20 = 38,863.60/x
  3. Step 3: Cross multiply
    43,817.20x = 65,668.20 × 38,863.60
  4. Step 4: Simplify right side
    43,817.20x = 2,552,102,657.52
  5. Step 5: Solve for x
    x = 2,552,102,657.52/43,817.20
  6. Step 6: Final answer
    x = 58,244.31

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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.