Home / 39,903.68-55,021.44-25,544.48

Finding the Fourth Proportional to 39,903.68, 55,021.44 and 25,544.48

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Solution

The fourth proportional to 39,903.68, 55,021.44 and 25,544.48 is: 35,222.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,903.68 : 55,021.44 = 25,544.48 : x
  2. Step 2: Convert to fraction form
    39,903.68/55,021.44 = 25,544.48/x
  3. Step 3: Cross multiply
    39,903.68x = 55,021.44 × 25,544.48
  4. Step 4: Simplify right side
    39,903.68x = 1,405,494,073.65
  5. Step 5: Solve for x
    x = 1,405,494,073.65/39,903.68
  6. Step 6: Final answer
    x = 35,222.17

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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.