Home / 49,290.98-68,028.60-28,072.22

Finding the Fourth Proportional to 49,290.98, 68,028.60 and 28,072.22

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Solution

The fourth proportional to 49,290.98, 68,028.60 and 28,072.22 is: 38,743.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,290.98 : 68,028.60 = 28,072.22 : x
  2. Step 2: Convert to fraction form
    49,290.98/68,028.60 = 28,072.22/x
  3. Step 3: Cross multiply
    49,290.98x = 68,028.60 × 28,072.22
  4. Step 4: Simplify right side
    49,290.98x = 1,909,713,485.35
  5. Step 5: Solve for x
    x = 1,909,713,485.35/49,290.98
  6. Step 6: Final answer
    x = 38,743.67

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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.