Home / 36,488.94-54,634.70-18,921.84

Finding the Fourth Proportional to 36,488.94, 54,634.70 and 18,921.84

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Solution

The fourth proportional to 36,488.94, 54,634.70 and 18,921.84 is: 28,331.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,488.94 : 54,634.70 = 18,921.84 : x
  2. Step 2: Convert to fraction form
    36,488.94/54,634.70 = 18,921.84/x
  3. Step 3: Cross multiply
    36,488.94x = 54,634.70 × 18,921.84
  4. Step 4: Simplify right side
    36,488.94x = 1,033,789,051.85
  5. Step 5: Solve for x
    x = 1,033,789,051.85/36,488.94
  6. Step 6: Final answer
    x = 28,331.57

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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.