Home / 65,659.26-98,480.64-18,277.90

Finding the Fourth Proportional to 65,659.26, 98,480.64 and 18,277.90

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Solution

The fourth proportional to 65,659.26, 98,480.64 and 18,277.90 is: 27,414.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,659.26 : 98,480.64 = 18,277.90 : x
  2. Step 2: Convert to fraction form
    65,659.26/98,480.64 = 18,277.90/x
  3. Step 3: Cross multiply
    65,659.26x = 98,480.64 × 18,277.90
  4. Step 4: Simplify right side
    65,659.26x = 1,800,019,289.86
  5. Step 5: Solve for x
    x = 1,800,019,289.86/65,659.26
  6. Step 6: Final answer
    x = 27,414.55

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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.