Home / 49,604.88-74,389.08-20,014.80

Finding the Fourth Proportional to 49,604.88, 74,389.08 and 20,014.80

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Solution

The fourth proportional to 49,604.88, 74,389.08 and 20,014.80 is: 30,014.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,604.88 : 74,389.08 = 20,014.80 : x
  2. Step 2: Convert to fraction form
    49,604.88/74,389.08 = 20,014.80/x
  3. Step 3: Cross multiply
    49,604.88x = 74,389.08 × 20,014.80
  4. Step 4: Simplify right side
    49,604.88x = 1,488,882,558.38
  5. Step 5: Solve for x
    x = 1,488,882,558.38/49,604.88
  6. Step 6: Final answer
    x = 30,014.84

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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.