Home / 42,355.44-63,522-20,124.54

Finding the Fourth Proportional to 42,355.44, 63,522 and 20,124.54

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Solution

The fourth proportional to 42,355.44, 63,522 and 20,124.54 is: 30,181.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,355.44 : 63,522 = 20,124.54 : x
  2. Step 2: Convert to fraction form
    42,355.44/63,522 = 20,124.54/x
  3. Step 3: Cross multiply
    42,355.44x = 63,522 × 20,124.54
  4. Step 4: Simplify right side
    42,355.44x = 1,278,351,029.88
  5. Step 5: Solve for x
    x = 1,278,351,029.88/42,355.44
  6. Step 6: Final answer
    x = 30,181.51

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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.