Home / 39,911.68-55,078.49-22,007.33

Finding the Fourth Proportional to 39,911.68, 55,078.49 and 22,007.33

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Solution

The fourth proportional to 39,911.68, 55,078.49 and 22,007.33 is: 30,370.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,911.68 : 55,078.49 = 22,007.33 : x
  2. Step 2: Convert to fraction form
    39,911.68/55,078.49 = 22,007.33/x
  3. Step 3: Cross multiply
    39,911.68x = 55,078.49 × 22,007.33
  4. Step 4: Simplify right side
    39,911.68x = 1,212,130,505.33
  5. Step 5: Solve for x
    x = 1,212,130,505.33/39,911.68
  6. Step 6: Final answer
    x = 30,370.32

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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.