Home / 39,603.56-54,652.97-21,698.55

Finding the Fourth Proportional to 39,603.56, 54,652.97 and 21,698.55

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Solution

The fourth proportional to 39,603.56, 54,652.97 and 21,698.55 is: 29,944.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,603.56 : 54,652.97 = 21,698.55 : x
  2. Step 2: Convert to fraction form
    39,603.56/54,652.97 = 21,698.55/x
  3. Step 3: Cross multiply
    39,603.56x = 54,652.97 × 21,698.55
  4. Step 4: Simplify right side
    39,603.56x = 1,185,890,093.70
  5. Step 5: Solve for x
    x = 1,185,890,093.70/39,603.56
  6. Step 6: Final answer
    x = 29,944.03

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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.