Home / 38,742.60-57,968.10-25,620.60

Finding the Fourth Proportional to 38,742.60, 57,968.10 and 25,620.60

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Solution

The fourth proportional to 38,742.60, 57,968.10 and 25,620.60 is: 38,334.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,742.60 : 57,968.10 = 25,620.60 : x
  2. Step 2: Convert to fraction form
    38,742.60/57,968.10 = 25,620.60/x
  3. Step 3: Cross multiply
    38,742.60x = 57,968.10 × 25,620.60
  4. Step 4: Simplify right side
    38,742.60x = 1,485,177,502.86
  5. Step 5: Solve for x
    x = 1,485,177,502.86/38,742.60
  6. Step 6: Final answer
    x = 38,334.48

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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.