Home / 49,348.20-68,100.57-28,128.63

Finding the Fourth Proportional to 49,348.20, 68,100.57 and 28,128.63

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Solution

The fourth proportional to 49,348.20, 68,100.57 and 28,128.63 is: 38,817.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,348.20 : 68,100.57 = 28,128.63 : x
  2. Step 2: Convert to fraction form
    49,348.20/68,100.57 = 28,128.63/x
  3. Step 3: Cross multiply
    49,348.20x = 68,100.57 × 28,128.63
  4. Step 4: Simplify right side
    49,348.20x = 1,915,575,736.32
  5. Step 5: Solve for x
    x = 1,915,575,736.32/49,348.20
  6. Step 6: Final answer
    x = 38,817.54

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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.