Home / 49,093.47-67,745.75-28,949.40

Finding the Fourth Proportional to 49,093.47, 67,745.75 and 28,949.40

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Solution

The fourth proportional to 49,093.47, 67,745.75 and 28,949.40 is: 39,948.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,093.47 : 67,745.75 = 28,949.40 : x
  2. Step 2: Convert to fraction form
    49,093.47/67,745.75 = 28,949.40/x
  3. Step 3: Cross multiply
    49,093.47x = 67,745.75 × 28,949.40
  4. Step 4: Simplify right side
    49,093.47x = 1,961,198,670.30
  5. Step 5: Solve for x
    x = 1,961,198,670.30/49,093.47
  6. Step 6: Final answer
    x = 39,948.26

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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.