Home / 49,954.50-74,930.03-12,514.90

Finding the Fourth Proportional to 49,954.50, 74,930.03 and 12,514.90

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Solution

The fourth proportional to 49,954.50, 74,930.03 and 12,514.90 is: 18,771.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,954.50 : 74,930.03 = 12,514.90 : x
  2. Step 2: Convert to fraction form
    49,954.50/74,930.03 = 12,514.90/x
  3. Step 3: Cross multiply
    49,954.50x = 74,930.03 × 12,514.90
  4. Step 4: Simplify right side
    49,954.50x = 937,741,629.48
  5. Step 5: Solve for x
    x = 937,741,629.48/49,954.50
  6. Step 6: Final answer
    x = 18,771.91

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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.