Home / 41,778.48-62,692.60-16,820.80

Finding the Fourth Proportional to 41,778.48, 62,692.60 and 16,820.80

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Solution

The fourth proportional to 41,778.48, 62,692.60 and 16,820.80 is: 25,241.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,778.48 : 62,692.60 = 16,820.80 : x
  2. Step 2: Convert to fraction form
    41,778.48/62,692.60 = 16,820.80/x
  3. Step 3: Cross multiply
    41,778.48x = 62,692.60 × 16,820.80
  4. Step 4: Simplify right side
    41,778.48x = 1,054,539,686.08
  5. Step 5: Solve for x
    x = 1,054,539,686.08/41,778.48
  6. Step 6: Final answer
    x = 25,241.22

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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.