Home / 33,609.40-50,438.40-18,802.60

Finding the Fourth Proportional to 33,609.40, 50,438.40 and 18,802.60

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Solution

The fourth proportional to 33,609.40, 50,438.40 and 18,802.60 is: 28,217.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,609.40 : 50,438.40 = 18,802.60 : x
  2. Step 2: Convert to fraction form
    33,609.40/50,438.40 = 18,802.60/x
  3. Step 3: Cross multiply
    33,609.40x = 50,438.40 × 18,802.60
  4. Step 4: Simplify right side
    33,609.40x = 948,373,059.84
  5. Step 5: Solve for x
    x = 948,373,059.84/33,609.40
  6. Step 6: Final answer
    x = 28,217.49

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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.