Home / 49,480.21-68,294.57-28,271.78

Finding the Fourth Proportional to 49,480.21, 68,294.57 and 28,271.78

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Solution

The fourth proportional to 49,480.21, 68,294.57 and 28,271.78 is: 39,021.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,480.21 : 68,294.57 = 28,271.78 : x
  2. Step 2: Convert to fraction form
    49,480.21/68,294.57 = 28,271.78/x
  3. Step 3: Cross multiply
    49,480.21x = 68,294.57 × 28,271.78
  4. Step 4: Simplify right side
    49,480.21x = 1,930,809,058.23
  5. Step 5: Solve for x
    x = 1,930,809,058.23/49,480.21
  6. Step 6: Final answer
    x = 39,021.84

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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.