Home / 49,173.45-67,849.19-28,751.58

Finding the Fourth Proportional to 49,173.45, 67,849.19 and 28,751.58

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Solution

The fourth proportional to 49,173.45, 67,849.19 and 28,751.58 is: 39,671.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,173.45 : 67,849.19 = 28,751.58 : x
  2. Step 2: Convert to fraction form
    49,173.45/67,849.19 = 28,751.58/x
  3. Step 3: Cross multiply
    49,173.45x = 67,849.19 × 28,751.58
  4. Step 4: Simplify right side
    49,173.45x = 1,950,771,414.22
  5. Step 5: Solve for x
    x = 1,950,771,414.22/49,173.45
  6. Step 6: Final answer
    x = 39,671.23

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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.