Home / 30,343.79-41,879.49-22,408.94

Finding the Fourth Proportional to 30,343.79, 41,879.49 and 22,408.94

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Solution

The fourth proportional to 30,343.79, 41,879.49 and 22,408.94 is: 30,928.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,343.79 : 41,879.49 = 22,408.94 : x
  2. Step 2: Convert to fraction form
    30,343.79/41,879.49 = 22,408.94/x
  3. Step 3: Cross multiply
    30,343.79x = 41,879.49 × 22,408.94
  4. Step 4: Simplify right side
    30,343.79x = 938,474,978.64
  5. Step 5: Solve for x
    x = 938,474,978.64/30,343.79
  6. Step 6: Final answer
    x = 30,928.07

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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.