Home / 36,083.09-54,087.72-18,280.76

Finding the Fourth Proportional to 36,083.09, 54,087.72 and 18,280.76

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Solution

The fourth proportional to 36,083.09, 54,087.72 and 18,280.76 is: 27,402.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,083.09 : 54,087.72 = 18,280.76 : x
  2. Step 2: Convert to fraction form
    36,083.09/54,087.72 = 18,280.76/x
  3. Step 3: Cross multiply
    36,083.09x = 54,087.72 × 18,280.76
  4. Step 4: Simplify right side
    36,083.09x = 988,764,357.83
  5. Step 5: Solve for x
    x = 988,764,357.83/36,083.09
  6. Step 6: Final answer
    x = 27,402.43

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1.5x scale

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.