Home / 45,183.30-67,774.96-21,855.30

Finding the Fourth Proportional to 45,183.30, 67,774.96 and 21,855.30

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Solution

The fourth proportional to 45,183.30, 67,774.96 and 21,855.30 is: 32,782.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,183.30 : 67,774.96 = 21,855.30 : x
  2. Step 2: Convert to fraction form
    45,183.30/67,774.96 = 21,855.30/x
  3. Step 3: Cross multiply
    45,183.30x = 67,774.96 × 21,855.30
  4. Step 4: Simplify right side
    45,183.30x = 1,481,242,083.29
  5. Step 5: Solve for x
    x = 1,481,242,083.29/45,183.30
  6. Step 6: Final answer
    x = 32,782.95

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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.