Home / 39,907.67-55,072.98-22,002.21

Finding the Fourth Proportional to 39,907.67, 55,072.98 and 22,002.21

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Solution

The fourth proportional to 39,907.67, 55,072.98 and 22,002.21 is: 30,363.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,907.67 : 55,072.98 = 22,002.21 : x
  2. Step 2: Convert to fraction form
    39,907.67/55,072.98 = 22,002.21/x
  3. Step 3: Cross multiply
    39,907.67x = 55,072.98 × 22,002.21
  4. Step 4: Simplify right side
    39,907.67x = 1,211,727,161.27
  5. Step 5: Solve for x
    x = 1,211,727,161.27/39,907.67
  6. Step 6: Final answer
    x = 30,363.27

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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.