Home / 52,231.94-78,379.04-18,954.60

Finding the Fourth Proportional to 52,231.94, 78,379.04 and 18,954.60

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Solution

The fourth proportional to 52,231.94, 78,379.04 and 18,954.60 is: 28,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,231.94 : 78,379.04 = 18,954.60 : x
  2. Step 2: Convert to fraction form
    52,231.94/78,379.04 = 18,954.60/x
  3. Step 3: Cross multiply
    52,231.94x = 78,379.04 × 18,954.60
  4. Step 4: Simplify right side
    52,231.94x = 1,485,643,351.58
  5. Step 5: Solve for x
    x = 1,485,643,351.58/52,231.94
  6. Step 6: Final answer
    x = 28,443.20

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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.