Home / 49,847.01-74,784.63-20,286.06

Finding the Fourth Proportional to 49,847.01, 74,784.63 and 20,286.06

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Solution

The fourth proportional to 49,847.01, 74,784.63 and 20,286.06 is: 30,434.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,847.01 : 74,784.63 = 20,286.06 : x
  2. Step 2: Convert to fraction form
    49,847.01/74,784.63 = 20,286.06/x
  3. Step 3: Cross multiply
    49,847.01x = 74,784.63 × 20,286.06
  4. Step 4: Simplify right side
    49,847.01x = 1,517,085,286.89
  5. Step 5: Solve for x
    x = 1,517,085,286.89/49,847.01
  6. Step 6: Final answer
    x = 30,434.83

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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.