Home / 38,653.20-57,850.20-33,987.60

Finding the Fourth Proportional to 38,653.20, 57,850.20 and 33,987.60

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Solution

The fourth proportional to 38,653.20, 57,850.20 and 33,987.60 is: 50,867.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,653.20 : 57,850.20 = 33,987.60 : x
  2. Step 2: Convert to fraction form
    38,653.20/57,850.20 = 33,987.60/x
  3. Step 3: Cross multiply
    38,653.20x = 57,850.20 × 33,987.60
  4. Step 4: Simplify right side
    38,653.20x = 1,966,189,457.52
  5. Step 5: Solve for x
    x = 1,966,189,457.52/38,653.20
  6. Step 6: Final answer
    x = 50,867.44

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Similar ratio
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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.