Home / 39,938.54-55,115.37-22,033.54

Finding the Fourth Proportional to 39,938.54, 55,115.37 and 22,033.54

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Solution

The fourth proportional to 39,938.54, 55,115.37 and 22,033.54 is: 30,406.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,938.54 : 55,115.37 = 22,033.54 : x
  2. Step 2: Convert to fraction form
    39,938.54/55,115.37 = 22,033.54/x
  3. Step 3: Cross multiply
    39,938.54x = 55,115.37 × 22,033.54
  4. Step 4: Simplify right side
    39,938.54x = 1,214,386,709.51
  5. Step 5: Solve for x
    x = 1,214,386,709.51/39,938.54
  6. Step 6: Final answer
    x = 30,406.39

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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.