Home / 49,367.40-68,128.82-28,146.44

Finding the Fourth Proportional to 49,367.40, 68,128.82 and 28,146.44

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Solution

The fourth proportional to 49,367.40, 68,128.82 and 28,146.44 is: 38,843.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,367.40 : 68,128.82 = 28,146.44 : x
  2. Step 2: Convert to fraction form
    49,367.40/68,128.82 = 28,146.44/x
  3. Step 3: Cross multiply
    49,367.40x = 68,128.82 × 28,146.44
  4. Step 4: Simplify right side
    49,367.40x = 1,917,583,744.40
  5. Step 5: Solve for x
    x = 1,917,583,744.40/49,367.40
  6. Step 6: Final answer
    x = 38,843.12

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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.