Home / 39,172.41-54,058.56-22,176.21

Finding the Fourth Proportional to 39,172.41, 54,058.56 and 22,176.21

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Solution

The fourth proportional to 39,172.41, 54,058.56 and 22,176.21 is: 30,603.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,172.41 : 54,058.56 = 22,176.21 : x
  2. Step 2: Convert to fraction form
    39,172.41/54,058.56 = 22,176.21/x
  3. Step 3: Cross multiply
    39,172.41x = 54,058.56 × 22,176.21
  4. Step 4: Simplify right side
    39,172.41x = 1,198,813,978.86
  5. Step 5: Solve for x
    x = 1,198,813,978.86/39,172.41
  6. Step 6: Final answer
    x = 30,603.53

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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.