Home / 34,469.96-47,561.16-20,123.27

Finding the Fourth Proportional to 34,469.96, 47,561.16 and 20,123.27

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Solution

The fourth proportional to 34,469.96, 47,561.16 and 20,123.27 is: 27,765.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,469.96 : 47,561.16 = 20,123.27 : x
  2. Step 2: Convert to fraction form
    34,469.96/47,561.16 = 20,123.27/x
  3. Step 3: Cross multiply
    34,469.96x = 47,561.16 × 20,123.27
  4. Step 4: Simplify right side
    34,469.96x = 957,085,967.01
  5. Step 5: Solve for x
    x = 957,085,967.01/34,469.96
  6. Step 6: Final answer
    x = 27,765.80

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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.