Home / 42,252.86-63,358.79-21,183.85

Finding the Fourth Proportional to 42,252.86, 63,358.79 and 21,183.85

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Solution

The fourth proportional to 42,252.86, 63,358.79 and 21,183.85 is: 31,765.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,252.86 : 63,358.79 = 21,183.85 : x
  2. Step 2: Convert to fraction form
    42,252.86/63,358.79 = 21,183.85/x
  3. Step 3: Cross multiply
    42,252.86x = 63,358.79 × 21,183.85
  4. Step 4: Simplify right side
    42,252.86x = 1,342,183,103.54
  5. Step 5: Solve for x
    x = 1,342,183,103.54/42,252.86
  6. Step 6: Final answer
    x = 31,765.50

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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.