Home / 35,183.88-52,770.35-12,992.21

Finding the Fourth Proportional to 35,183.88, 52,770.35 and 12,992.21

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Solution

The fourth proportional to 35,183.88, 52,770.35 and 12,992.21 is: 19,486.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,183.88 : 52,770.35 = 12,992.21 : x
  2. Step 2: Convert to fraction form
    35,183.88/52,770.35 = 12,992.21/x
  3. Step 3: Cross multiply
    35,183.88x = 52,770.35 × 12,992.21
  4. Step 4: Simplify right side
    35,183.88x = 685,603,435.49
  5. Step 5: Solve for x
    x = 685,603,435.49/35,183.88
  6. Step 6: Final answer
    x = 19,486.29

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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.