Home / 49,963.24-74,949.20-20,383.12

Finding the Fourth Proportional to 49,963.24, 74,949.20 and 20,383.12

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Solution

The fourth proportional to 49,963.24, 74,949.20 and 20,383.12 is: 30,576.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,963.24 : 74,949.20 = 20,383.12 : x
  2. Step 2: Convert to fraction form
    49,963.24/74,949.20 = 20,383.12/x
  3. Step 3: Cross multiply
    49,963.24x = 74,949.20 × 20,383.12
  4. Step 4: Simplify right side
    49,963.24x = 1,527,698,537.50
  5. Step 5: Solve for x
    x = 1,527,698,537.50/49,963.24
  6. Step 6: Final answer
    x = 30,576.45

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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.