Home / 30,196.20-41,669.37-16,768.32

Finding the Fourth Proportional to 30,196.20, 41,669.37 and 16,768.32

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Solution

The fourth proportional to 30,196.20, 41,669.37 and 16,768.32 is: 23,139.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,196.20 : 41,669.37 = 16,768.32 : x
  2. Step 2: Convert to fraction form
    30,196.20/41,669.37 = 16,768.32/x
  3. Step 3: Cross multiply
    30,196.20x = 41,669.37 × 16,768.32
  4. Step 4: Simplify right side
    30,196.20x = 698,725,174.10
  5. Step 5: Solve for x
    x = 698,725,174.10/30,196.20
  6. Step 6: Final answer
    x = 23,139.50

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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.