Home / 49,609.80-68,460.12-28,388.34

Finding the Fourth Proportional to 49,609.80, 68,460.12 and 28,388.34

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Solution

The fourth proportional to 49,609.80, 68,460.12 and 28,388.34 is: 39,175.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,609.80 : 68,460.12 = 28,388.34 : x
  2. Step 2: Convert to fraction form
    49,609.80/68,460.12 = 28,388.34/x
  3. Step 3: Cross multiply
    49,609.80x = 68,460.12 × 28,388.34
  4. Step 4: Simplify right side
    49,609.80x = 1,943,469,163.00
  5. Step 5: Solve for x
    x = 1,943,469,163.00/49,609.80
  6. Step 6: Final answer
    x = 39,175.11

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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.