Home / 39,907.07-55,072.59-22,002.83

Finding the Fourth Proportional to 39,907.07, 55,072.59 and 22,002.83

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Solution

The fourth proportional to 39,907.07, 55,072.59 and 22,002.83 is: 30,364.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,907.07 : 55,072.59 = 22,002.83 : x
  2. Step 2: Convert to fraction form
    39,907.07/55,072.59 = 22,002.83/x
  3. Step 3: Cross multiply
    39,907.07x = 55,072.59 × 22,002.83
  4. Step 4: Simplify right side
    39,907.07x = 1,211,752,835.43
  5. Step 5: Solve for x
    x = 1,211,752,835.43/39,907.07
  6. Step 6: Final answer
    x = 30,364.36

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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.