Home / 65,380.22-90,217.26-36,695.99

Finding the Fourth Proportional to 65,380.22, 90,217.26 and 36,695.99

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Solution

The fourth proportional to 65,380.22, 90,217.26 and 36,695.99 is: 50,636.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,380.22 : 90,217.26 = 36,695.99 : x
  2. Step 2: Convert to fraction form
    65,380.22/90,217.26 = 36,695.99/x
  3. Step 3: Cross multiply
    65,380.22x = 90,217.26 × 36,695.99
  4. Step 4: Simplify right side
    65,380.22x = 3,310,611,670.79
  5. Step 5: Solve for x
    x = 3,310,611,670.79/65,380.22
  6. Step 6: Final answer
    x = 50,636.29

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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.