Home / 39,907.98-55,072.35-22,004.64

Finding the Fourth Proportional to 39,907.98, 55,072.35 and 22,004.64

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Solution

The fourth proportional to 39,907.98, 55,072.35 and 22,004.64 is: 30,366.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,907.98 : 55,072.35 = 22,004.64 : x
  2. Step 2: Convert to fraction form
    39,907.98/55,072.35 = 22,004.64/x
  3. Step 3: Cross multiply
    39,907.98x = 55,072.35 × 22,004.64
  4. Step 4: Simplify right side
    39,907.98x = 1,211,847,235.70
  5. Step 5: Solve for x
    x = 1,211,847,235.70/39,907.98
  6. Step 6: Final answer
    x = 30,366.04

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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.