Home / 43,448.40-65,221.20-33,631.20

Finding the Fourth Proportional to 43,448.40, 65,221.20 and 33,631.20

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Solution

The fourth proportional to 43,448.40, 65,221.20 and 33,631.20 is: 50,484.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,448.40 : 65,221.20 = 33,631.20 : x
  2. Step 2: Convert to fraction form
    43,448.40/65,221.20 = 33,631.20/x
  3. Step 3: Cross multiply
    43,448.40x = 65,221.20 × 33,631.20
  4. Step 4: Simplify right side
    43,448.40x = 2,193,467,221.44
  5. Step 5: Solve for x
    x = 2,193,467,221.44/43,448.40
  6. Step 6: Final answer
    x = 50,484.42

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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.