Home / 33,311.94-45,973.09-18,972.38

Finding the Fourth Proportional to 33,311.94, 45,973.09 and 18,972.38

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Solution

The fourth proportional to 33,311.94, 45,973.09 and 18,972.38 is: 26,183.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,311.94 : 45,973.09 = 18,972.38 : x
  2. Step 2: Convert to fraction form
    33,311.94/45,973.09 = 18,972.38/x
  3. Step 3: Cross multiply
    33,311.94x = 45,973.09 × 18,972.38
  4. Step 4: Simplify right side
    33,311.94x = 872,218,703.39
  5. Step 5: Solve for x
    x = 872,218,703.39/33,311.94
  6. Step 6: Final answer
    x = 26,183.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.