Home / 50,986.50-76,415.05-28,812.29

Finding the Fourth Proportional to 50,986.50, 76,415.05 and 28,812.29

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Solution

The fourth proportional to 50,986.50, 76,415.05 and 28,812.29 is: 43,181.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,986.50 : 76,415.05 = 28,812.29 : x
  2. Step 2: Convert to fraction form
    50,986.50/76,415.05 = 28,812.29/x
  3. Step 3: Cross multiply
    50,986.50x = 76,415.05 × 28,812.29
  4. Step 4: Simplify right side
    50,986.50x = 2,201,692,436.90
  5. Step 5: Solve for x
    x = 2,201,692,436.90/50,986.50
  6. Step 6: Final answer
    x = 43,181.87

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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.