Home / 30,203.07-41,680.50-16,774.56

Finding the Fourth Proportional to 30,203.07, 41,680.50 and 16,774.56

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Solution

The fourth proportional to 30,203.07, 41,680.50 and 16,774.56 is: 23,149.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,203.07 : 41,680.50 = 16,774.56 : x
  2. Step 2: Convert to fraction form
    30,203.07/41,680.50 = 16,774.56/x
  3. Step 3: Cross multiply
    30,203.07x = 41,680.50 × 16,774.56
  4. Step 4: Simplify right side
    30,203.07x = 699,172,048.08
  5. Step 5: Solve for x
    x = 699,172,048.08/30,203.07
  6. Step 6: Final answer
    x = 23,149.04

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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.