Home / 51,414.80-77,237.40-49,315.60

Finding the Fourth Proportional to 51,414.80, 77,237.40 and 49,315.60

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Solution

The fourth proportional to 51,414.80, 77,237.40 and 49,315.60 is: 74,083.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,414.80 : 77,237.40 = 49,315.60 : x
  2. Step 2: Convert to fraction form
    51,414.80/77,237.40 = 49,315.60/x
  3. Step 3: Cross multiply
    51,414.80x = 77,237.40 × 49,315.60
  4. Step 4: Simplify right side
    51,414.80x = 3,809,008,723.44
  5. Step 5: Solve for x
    x = 3,809,008,723.44/51,414.80
  6. Step 6: Final answer
    x = 74,083.90

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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.