Home / 49,922.55-74,882.39-20,333.07

Finding the Fourth Proportional to 49,922.55, 74,882.39 and 20,333.07

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Solution

The fourth proportional to 49,922.55, 74,882.39 and 20,333.07 is: 30,499.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,922.55 : 74,882.39 = 20,333.07 : x
  2. Step 2: Convert to fraction form
    49,922.55/74,882.39 = 20,333.07/x
  3. Step 3: Cross multiply
    49,922.55x = 74,882.39 × 20,333.07
  4. Step 4: Simplify right side
    49,922.55x = 1,522,588,775.97
  5. Step 5: Solve for x
    x = 1,522,588,775.97/49,922.55
  6. Step 6: Final answer
    x = 30,499.02

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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.