Home / 49,290.85-68,028.42-28,072.09

Finding the Fourth Proportional to 49,290.85, 68,028.42 and 28,072.09

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Solution

The fourth proportional to 49,290.85, 68,028.42 and 28,072.09 is: 38,743.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,290.85 : 68,028.42 = 28,072.09 : x
  2. Step 2: Convert to fraction form
    49,290.85/68,028.42 = 28,072.09/x
  3. Step 3: Cross multiply
    49,290.85x = 68,028.42 × 28,072.09
  4. Step 4: Simplify right side
    49,290.85x = 1,909,699,928.80
  5. Step 5: Solve for x
    x = 1,909,699,928.80/49,290.85
  6. Step 6: Final answer
    x = 38,743.50

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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.