Home / 39,940.37-55,114.86-22,480.25

Finding the Fourth Proportional to 39,940.37, 55,114.86 and 22,480.25

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Solution

The fourth proportional to 39,940.37, 55,114.86 and 22,480.25 is: 31,021.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,940.37 : 55,114.86 = 22,480.25 : x
  2. Step 2: Convert to fraction form
    39,940.37/55,114.86 = 22,480.25/x
  3. Step 3: Cross multiply
    39,940.37x = 55,114.86 × 22,480.25
  4. Step 4: Simplify right side
    39,940.37x = 1,238,995,555.94
  5. Step 5: Solve for x
    x = 1,238,995,555.94/39,940.37
  6. Step 6: Final answer
    x = 31,021.14

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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.