Home / 65,997.12-98,996.04-21,625.68

Finding the Fourth Proportional to 65,997.12, 98,996.04 and 21,625.68

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Solution

The fourth proportional to 65,997.12, 98,996.04 and 21,625.68 is: 32,438.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,997.12 : 98,996.04 = 21,625.68 : x
  2. Step 2: Convert to fraction form
    65,997.12/98,996.04 = 21,625.68/x
  3. Step 3: Cross multiply
    65,997.12x = 98,996.04 × 21,625.68
  4. Step 4: Simplify right side
    65,997.12x = 2,140,856,682.31
  5. Step 5: Solve for x
    x = 2,140,856,682.31/65,997.12
  6. Step 6: Final answer
    x = 32,438.64

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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.