Home / 34,540.36-51,810.56-13,778.44

Finding the Fourth Proportional to 34,540.36, 51,810.56 and 13,778.44

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Solution

The fourth proportional to 34,540.36, 51,810.56 and 13,778.44 is: 20,667.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,540.36 : 51,810.56 = 13,778.44 : x
  2. Step 2: Convert to fraction form
    34,540.36/51,810.56 = 13,778.44/x
  3. Step 3: Cross multiply
    34,540.36x = 51,810.56 × 13,778.44
  4. Step 4: Simplify right side
    34,540.36x = 713,868,692.33
  5. Step 5: Solve for x
    x = 713,868,692.33/34,540.36
  6. Step 6: Final answer
    x = 20,667.67

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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.