Home / 33,200.28-45,811.16-18,661.60

Finding the Fourth Proportional to 33,200.28, 45,811.16 and 18,661.60

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Solution

The fourth proportional to 33,200.28, 45,811.16 and 18,661.60 is: 25,750.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,200.28 : 45,811.16 = 18,661.60 : x
  2. Step 2: Convert to fraction form
    33,200.28/45,811.16 = 18,661.60/x
  3. Step 3: Cross multiply
    33,200.28x = 45,811.16 × 18,661.60
  4. Step 4: Simplify right side
    33,200.28x = 854,909,615.57
  5. Step 5: Solve for x
    x = 854,909,615.57/33,200.28
  6. Step 6: Final answer
    x = 25,750.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.