Home / 30,268.58-45,399.51-8,083.89

Finding the Fourth Proportional to 30,268.58, 45,399.51 and 8,083.89

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Solution

The fourth proportional to 30,268.58, 45,399.51 and 8,083.89 is: 12,124.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,268.58 : 45,399.51 = 8,083.89 : x
  2. Step 2: Convert to fraction form
    30,268.58/45,399.51 = 8,083.89/x
  3. Step 3: Cross multiply
    30,268.58x = 45,399.51 × 8,083.89
  4. Step 4: Simplify right side
    30,268.58x = 367,004,644.89
  5. Step 5: Solve for x
    x = 367,004,644.89/30,268.58
  6. Step 6: Final answer
    x = 12,124.94

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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.