Home / 40,249.84-60,375.32-12,170.12

Finding the Fourth Proportional to 40,249.84, 60,375.32 and 12,170.12

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Solution

The fourth proportional to 40,249.84, 60,375.32 and 12,170.12 is: 18,255.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,249.84 : 60,375.32 = 12,170.12 : x
  2. Step 2: Convert to fraction form
    40,249.84/60,375.32 = 12,170.12/x
  3. Step 3: Cross multiply
    40,249.84x = 60,375.32 × 12,170.12
  4. Step 4: Simplify right side
    40,249.84x = 734,774,889.44
  5. Step 5: Solve for x
    x = 734,774,889.44/40,249.84
  6. Step 6: Final answer
    x = 18,255.35

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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.