Home / 40,294.16-60,441.69-12,213.99

Finding the Fourth Proportional to 40,294.16, 60,441.69 and 12,213.99

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Solution

The fourth proportional to 40,294.16, 60,441.69 and 12,213.99 is: 18,321.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,294.16 : 60,441.69 = 12,213.99 : x
  2. Step 2: Convert to fraction form
    40,294.16/60,441.69 = 12,213.99/x
  3. Step 3: Cross multiply
    40,294.16x = 60,441.69 × 12,213.99
  4. Step 4: Simplify right side
    40,294.16x = 738,234,243.05
  5. Step 5: Solve for x
    x = 738,234,243.05/40,294.16
  6. Step 6: Final answer
    x = 18,321.12

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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.