Home / 49,907.30-74,850.82-18,306.60

Finding the Fourth Proportional to 49,907.30, 74,850.82 and 18,306.60

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Solution

The fourth proportional to 49,907.30, 74,850.82 and 18,306.60 is: 27,456.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,907.30 : 74,850.82 = 18,306.60 : x
  2. Step 2: Convert to fraction form
    49,907.30/74,850.82 = 18,306.60/x
  3. Step 3: Cross multiply
    49,907.30x = 74,850.82 × 18,306.60
  4. Step 4: Simplify right side
    49,907.30x = 1,370,264,021.41
  5. Step 5: Solve for x
    x = 1,370,264,021.41/49,907.30
  6. Step 6: Final answer
    x = 27,456.19

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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.