Home / 46,379.20-69,601.20-20,102.80

Finding the Fourth Proportional to 46,379.20, 69,601.20 and 20,102.80

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Solution

The fourth proportional to 46,379.20, 69,601.20 and 20,102.80 is: 30,168.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,379.20 : 69,601.20 = 20,102.80 : x
  2. Step 2: Convert to fraction form
    46,379.20/69,601.20 = 20,102.80/x
  3. Step 3: Cross multiply
    46,379.20x = 69,601.20 × 20,102.80
  4. Step 4: Simplify right side
    46,379.20x = 1,399,179,003.36
  5. Step 5: Solve for x
    x = 1,399,179,003.36/46,379.20
  6. Step 6: Final answer
    x = 30,168.24

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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.