Home / 65,910.28-90,962.68-37,620.22

Finding the Fourth Proportional to 65,910.28, 90,962.68 and 37,620.22

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Solution

The fourth proportional to 65,910.28, 90,962.68 and 37,620.22 is: 51,919.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,910.28 : 90,962.68 = 37,620.22 : x
  2. Step 2: Convert to fraction form
    65,910.28/90,962.68 = 37,620.22/x
  3. Step 3: Cross multiply
    65,910.28x = 90,962.68 × 37,620.22
  4. Step 4: Simplify right side
    65,910.28x = 3,422,036,033.39
  5. Step 5: Solve for x
    x = 3,422,036,033.39/65,910.28
  6. Step 6: Final answer
    x = 51,919.61

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1.5x scale

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.