Home / 40,451.92-60,685.84-12,375.99

Finding the Fourth Proportional to 40,451.92, 60,685.84 and 12,375.99

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Solution

The fourth proportional to 40,451.92, 60,685.84 and 12,375.99 is: 18,566.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,451.92 : 60,685.84 = 12,375.99 : x
  2. Step 2: Convert to fraction form
    40,451.92/60,685.84 = 12,375.99/x
  3. Step 3: Cross multiply
    40,451.92x = 60,685.84 × 12,375.99
  4. Step 4: Simplify right side
    40,451.92x = 751,047,364.45
  5. Step 5: Solve for x
    x = 751,047,364.45/40,451.92
  6. Step 6: Final answer
    x = 18,566.42

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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.