Home / 65,997.58-98,987.56-18,616.46

Finding the Fourth Proportional to 65,997.58, 98,987.56 and 18,616.46

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Solution

The fourth proportional to 65,997.58, 98,987.56 and 18,616.46 is: 27,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,997.58 : 98,987.56 = 18,616.46 : x
  2. Step 2: Convert to fraction form
    65,997.58/98,987.56 = 18,616.46/x
  3. Step 3: Cross multiply
    65,997.58x = 98,987.56 × 18,616.46
  4. Step 4: Simplify right side
    65,997.58x = 1,842,797,951.24
  5. Step 5: Solve for x
    x = 1,842,797,951.24/65,997.58
  6. Step 6: Final answer
    x = 27,922.20

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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.