Home / 39,911.70-55,078.52-22,007.34

Finding the Fourth Proportional to 39,911.70, 55,078.52 and 22,007.34

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Solution

The fourth proportional to 39,911.70, 55,078.52 and 22,007.34 is: 30,370.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,911.70 : 55,078.52 = 22,007.34 : x
  2. Step 2: Convert to fraction form
    39,911.70/55,078.52 = 22,007.34/x
  3. Step 3: Cross multiply
    39,911.70x = 55,078.52 × 22,007.34
  4. Step 4: Simplify right side
    39,911.70x = 1,212,131,606.30
  5. Step 5: Solve for x
    x = 1,212,131,606.30/39,911.70
  6. Step 6: Final answer
    x = 30,370.33

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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.