Home / 65,986.20-99,003.60-26,571.60

Finding the Fourth Proportional to 65,986.20, 99,003.60 and 26,571.60

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Solution

The fourth proportional to 65,986.20, 99,003.60 and 26,571.60 is: 39,867.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,986.20 : 99,003.60 = 26,571.60 : x
  2. Step 2: Convert to fraction form
    65,986.20/99,003.60 = 26,571.60/x
  3. Step 3: Cross multiply
    65,986.20x = 99,003.60 × 26,571.60
  4. Step 4: Simplify right side
    65,986.20x = 2,630,684,057.76
  5. Step 5: Solve for x
    x = 2,630,684,057.76/65,986.20
  6. Step 6: Final answer
    x = 39,867.19

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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.