Home / 29,811.94-41,128.68-19,207.75

Finding the Fourth Proportional to 29,811.94, 41,128.68 and 19,207.75

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Solution

The fourth proportional to 29,811.94, 41,128.68 and 19,207.75 is: 26,499.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,811.94 : 41,128.68 = 19,207.75 : x
  2. Step 2: Convert to fraction form
    29,811.94/41,128.68 = 19,207.75/x
  3. Step 3: Cross multiply
    29,811.94x = 41,128.68 × 19,207.75
  4. Step 4: Simplify right side
    29,811.94x = 789,989,403.27
  5. Step 5: Solve for x
    x = 789,989,403.27/29,811.94
  6. Step 6: Final answer
    x = 26,499.09

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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.