Home / 30,274.85-41,778.77-16,845.72

Finding the Fourth Proportional to 30,274.85, 41,778.77 and 16,845.72

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Solution

The fourth proportional to 30,274.85, 41,778.77 and 16,845.72 is: 23,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,274.85 : 41,778.77 = 16,845.72 : x
  2. Step 2: Convert to fraction form
    30,274.85/41,778.77 = 16,845.72/x
  3. Step 3: Cross multiply
    30,274.85x = 41,778.77 × 16,845.72
  4. Step 4: Simplify right side
    30,274.85x = 703,793,377.14
  5. Step 5: Solve for x
    x = 703,793,377.14/30,274.85
  6. Step 6: Final answer
    x = 23,246.80

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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.