Home / 39,940.36-55,117.88-22,035.89

Finding the Fourth Proportional to 39,940.36, 55,117.88 and 22,035.89

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Solution

The fourth proportional to 39,940.36, 55,117.88 and 22,035.89 is: 30,409.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,940.36 : 55,117.88 = 22,035.89 : x
  2. Step 2: Convert to fraction form
    39,940.36/55,117.88 = 22,035.89/x
  3. Step 3: Cross multiply
    39,940.36x = 55,117.88 × 22,035.89
  4. Step 4: Simplify right side
    39,940.36x = 1,214,571,568.33
  5. Step 5: Solve for x
    x = 1,214,571,568.33/39,940.36
  6. Step 6: Final answer
    x = 30,409.63

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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.