Home / 39,907.83-55,072.17-22,004.04

Finding the Fourth Proportional to 39,907.83, 55,072.17 and 22,004.04

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Solution

The fourth proportional to 39,907.83, 55,072.17 and 22,004.04 is: 30,365.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,907.83 : 55,072.17 = 22,004.04 : x
  2. Step 2: Convert to fraction form
    39,907.83/55,072.17 = 22,004.04/x
  3. Step 3: Cross multiply
    39,907.83x = 55,072.17 × 22,004.04
  4. Step 4: Simplify right side
    39,907.83x = 1,211,810,231.57
  5. Step 5: Solve for x
    x = 1,211,810,231.57/39,907.83
  6. Step 6: Final answer
    x = 30,365.22

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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.