Home / 40,846.49-61,269.78-12,766.69

Finding the Fourth Proportional to 40,846.49, 61,269.78 and 12,766.69

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Solution

The fourth proportional to 40,846.49, 61,269.78 and 12,766.69 is: 19,150.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,846.49 : 61,269.78 = 12,766.69 : x
  2. Step 2: Convert to fraction form
    40,846.49/61,269.78 = 12,766.69/x
  3. Step 3: Cross multiply
    40,846.49x = 61,269.78 × 12,766.69
  4. Step 4: Simplify right side
    40,846.49x = 782,212,132.05
  5. Step 5: Solve for x
    x = 782,212,132.05/40,846.49
  6. Step 6: Final answer
    x = 19,150.05

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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.