Home / 49,072.76-67,729.24-28,928.44

Finding the Fourth Proportional to 49,072.76, 67,729.24 and 28,928.44

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Solution

The fourth proportional to 49,072.76, 67,729.24 and 28,928.44 is: 39,926.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,072.76 : 67,729.24 = 28,928.44 : x
  2. Step 2: Convert to fraction form
    49,072.76/67,729.24 = 28,928.44/x
  3. Step 3: Cross multiply
    49,072.76x = 67,729.24 × 28,928.44
  4. Step 4: Simplify right side
    49,072.76x = 1,959,301,255.59
  5. Step 5: Solve for x
    x = 1,959,301,255.59/49,072.76
  6. Step 6: Final answer
    x = 39,926.45

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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.