Home / 30,226.06-41,715.79-18,289.49

Finding the Fourth Proportional to 30,226.06, 41,715.79 and 18,289.49

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Solution

The fourth proportional to 30,226.06, 41,715.79 and 18,289.49 is: 25,241.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,226.06 : 41,715.79 = 18,289.49 : x
  2. Step 2: Convert to fraction form
    30,226.06/41,715.79 = 18,289.49/x
  3. Step 3: Cross multiply
    30,226.06x = 41,715.79 × 18,289.49
  4. Step 4: Simplify right side
    30,226.06x = 762,960,524.05
  5. Step 5: Solve for x
    x = 762,960,524.05/30,226.06
  6. Step 6: Final answer
    x = 25,241.82

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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.