Home / 42,418.98-63,636.66-16,121.67

Finding the Fourth Proportional to 42,418.98, 63,636.66 and 16,121.67

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Solution

The fourth proportional to 42,418.98, 63,636.66 and 16,121.67 is: 24,185.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,418.98 : 63,636.66 = 16,121.67 : x
  2. Step 2: Convert to fraction form
    42,418.98/63,636.66 = 16,121.67/x
  3. Step 3: Cross multiply
    42,418.98x = 63,636.66 × 16,121.67
  4. Step 4: Simplify right side
    42,418.98x = 1,025,929,143.33
  5. Step 5: Solve for x
    x = 1,025,929,143.33/42,418.98
  6. Step 6: Final answer
    x = 24,185.62

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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.