Home / 50,500.67-69,678.43-30,353.54

Finding the Fourth Proportional to 50,500.67, 69,678.43 and 30,353.54

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Solution

The fourth proportional to 50,500.67, 69,678.43 and 30,353.54 is: 41,880.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,500.67 : 69,678.43 = 30,353.54 : x
  2. Step 2: Convert to fraction form
    50,500.67/69,678.43 = 30,353.54/x
  3. Step 3: Cross multiply
    50,500.67x = 69,678.43 × 30,353.54
  4. Step 4: Simplify right side
    50,500.67x = 2,114,986,587.87
  5. Step 5: Solve for x
    x = 2,114,986,587.87/50,500.67
  6. Step 6: Final answer
    x = 41,880.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.