Home / 63,173.89-87,179.38-34,879.78

Finding the Fourth Proportional to 63,173.89, 87,179.38 and 34,879.78

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Solution

The fourth proportional to 63,173.89, 87,179.38 and 34,879.78 is: 48,133.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,173.89 : 87,179.38 = 34,879.78 : x
  2. Step 2: Convert to fraction form
    63,173.89/87,179.38 = 34,879.78/x
  3. Step 3: Cross multiply
    63,173.89x = 87,179.38 × 34,879.78
  4. Step 4: Simplify right side
    63,173.89x = 3,040,797,594.94
  5. Step 5: Solve for x
    x = 3,040,797,594.94/63,173.89
  6. Step 6: Final answer
    x = 48,133.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.