Home / 42,040.84-63,072.30-15,745.96

Finding the Fourth Proportional to 42,040.84, 63,072.30 and 15,745.96

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Solution

The fourth proportional to 42,040.84, 63,072.30 and 15,745.96 is: 23,623.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,040.84 : 63,072.30 = 15,745.96 : x
  2. Step 2: Convert to fraction form
    42,040.84/63,072.30 = 15,745.96/x
  3. Step 3: Cross multiply
    42,040.84x = 63,072.30 × 15,745.96
  4. Step 4: Simplify right side
    42,040.84x = 993,133,912.91
  5. Step 5: Solve for x
    x = 993,133,912.91/42,040.84
  6. Step 6: Final answer
    x = 23,623.07

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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.