Home / 50,077.26-69,106.68-28,855.98

Finding the Fourth Proportional to 50,077.26, 69,106.68 and 28,855.98

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Solution

The fourth proportional to 50,077.26, 69,106.68 and 28,855.98 is: 39,821.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,077.26 : 69,106.68 = 28,855.98 : x
  2. Step 2: Convert to fraction form
    50,077.26/69,106.68 = 28,855.98/x
  3. Step 3: Cross multiply
    50,077.26x = 69,106.68 × 28,855.98
  4. Step 4: Simplify right side
    50,077.26x = 1,994,140,975.95
  5. Step 5: Solve for x
    x = 1,994,140,975.95/50,077.26
  6. Step 6: Final answer
    x = 39,821.29

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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.