Home / 51,380.28-76,895.46-39,745.44

Finding the Fourth Proportional to 51,380.28, 76,895.46 and 39,745.44

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Solution

The fourth proportional to 51,380.28, 76,895.46 and 39,745.44 is: 59,482.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,380.28 : 76,895.46 = 39,745.44 : x
  2. Step 2: Convert to fraction form
    51,380.28/76,895.46 = 39,745.44/x
  3. Step 3: Cross multiply
    51,380.28x = 76,895.46 × 39,745.44
  4. Step 4: Simplify right side
    51,380.28x = 3,056,243,891.70
  5. Step 5: Solve for x
    x = 3,056,243,891.70/51,380.28
  6. Step 6: Final answer
    x = 59,482.82

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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.