Home / 36,086.55-54,146.84-13,907.94

Finding the Fourth Proportional to 36,086.55, 54,146.84 and 13,907.94

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Solution

The fourth proportional to 36,086.55, 54,146.84 and 13,907.94 is: 20,868.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,086.55 : 54,146.84 = 13,907.94 : x
  2. Step 2: Convert to fraction form
    36,086.55/54,146.84 = 13,907.94/x
  3. Step 3: Cross multiply
    36,086.55x = 54,146.84 × 13,907.94
  4. Step 4: Simplify right side
    36,086.55x = 753,070,932.37
  5. Step 5: Solve for x
    x = 753,070,932.37/36,086.55
  6. Step 6: Final answer
    x = 20,868.47

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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.