Home / 30,156.44-45,170.87-19,057.41

Finding the Fourth Proportional to 30,156.44, 45,170.87 and 19,057.41

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Solution

The fourth proportional to 30,156.44, 45,170.87 and 19,057.41 is: 28,545.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,156.44 : 45,170.87 = 19,057.41 : x
  2. Step 2: Convert to fraction form
    30,156.44/45,170.87 = 19,057.41/x
  3. Step 3: Cross multiply
    30,156.44x = 45,170.87 × 19,057.41
  4. Step 4: Simplify right side
    30,156.44x = 860,839,694.36
  5. Step 5: Solve for x
    x = 860,839,694.36/30,156.44
  6. Step 6: Final answer
    x = 28,545.80

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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.