Home / 30,037.75-41,452.10-16,789.75

Finding the Fourth Proportional to 30,037.75, 41,452.10 and 16,789.75

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Solution

The fourth proportional to 30,037.75, 41,452.10 and 16,789.75 is: 23,169.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,037.75 : 41,452.10 = 16,789.75 : x
  2. Step 2: Convert to fraction form
    30,037.75/41,452.10 = 16,789.75/x
  3. Step 3: Cross multiply
    30,037.75x = 41,452.10 × 16,789.75
  4. Step 4: Simplify right side
    30,037.75x = 695,970,395.98
  5. Step 5: Solve for x
    x = 695,970,395.98/30,037.75
  6. Step 6: Final answer
    x = 23,169.86

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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.