Home / 30,286.07-41,795.60-16,858.80

Finding the Fourth Proportional to 30,286.07, 41,795.60 and 16,858.80

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Solution

The fourth proportional to 30,286.07, 41,795.60 and 16,858.80 is: 23,265.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,286.07 : 41,795.60 = 16,858.80 : x
  2. Step 2: Convert to fraction form
    30,286.07/41,795.60 = 16,858.80/x
  3. Step 3: Cross multiply
    30,286.07x = 41,795.60 × 16,858.80
  4. Step 4: Simplify right side
    30,286.07x = 704,623,576.99
  5. Step 5: Solve for x
    x = 704,623,576.99/30,286.07
  6. Step 6: Final answer
    x = 23,265.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.