Home / 42,745.82-64,121.70-16,450.52

Finding the Fourth Proportional to 42,745.82, 64,121.70 and 16,450.52

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Solution

The fourth proportional to 42,745.82, 64,121.70 and 16,450.52 is: 24,676.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,745.82 : 64,121.70 = 16,450.52 : x
  2. Step 2: Convert to fraction form
    42,745.82/64,121.70 = 16,450.52/x
  3. Step 3: Cross multiply
    42,745.82x = 64,121.70 × 16,450.52
  4. Step 4: Simplify right side
    42,745.82x = 1,054,835,308.28
  5. Step 5: Solve for x
    x = 1,054,835,308.28/42,745.82
  6. Step 6: Final answer
    x = 24,676.92

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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.