Home / 30,196.85-41,672.69-16,768.32

Finding the Fourth Proportional to 30,196.85, 41,672.69 and 16,768.32

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Solution

The fourth proportional to 30,196.85, 41,672.69 and 16,768.32 is: 23,140.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,196.85 : 41,672.69 = 16,768.32 : x
  2. Step 2: Convert to fraction form
    30,196.85/41,672.69 = 16,768.32/x
  3. Step 3: Cross multiply
    30,196.85x = 41,672.69 × 16,768.32
  4. Step 4: Simplify right side
    30,196.85x = 698,781,058.36
  5. Step 5: Solve for x
    x = 698,781,058.36/30,196.85
  6. Step 6: Final answer
    x = 23,140.86

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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.