Home / 39,794.49-54,921.69-25,688.34

Finding the Fourth Proportional to 39,794.49, 54,921.69 and 25,688.34

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Solution

The fourth proportional to 39,794.49, 54,921.69 and 25,688.34 is: 35,453.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,794.49 : 54,921.69 = 25,688.34 : x
  2. Step 2: Convert to fraction form
    39,794.49/54,921.69 = 25,688.34/x
  3. Step 3: Cross multiply
    39,794.49x = 54,921.69 × 25,688.34
  4. Step 4: Simplify right side
    39,794.49x = 1,410,847,046.09
  5. Step 5: Solve for x
    x = 1,410,847,046.09/39,794.49
  6. Step 6: Final answer
    x = 35,453.33

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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.