Home / 38,221.33-52,745.92-21,226.63

Finding the Fourth Proportional to 38,221.33, 52,745.92 and 21,226.63

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Solution

The fourth proportional to 38,221.33, 52,745.92 and 21,226.63 is: 29,293.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,221.33 : 52,745.92 = 21,226.63 : x
  2. Step 2: Convert to fraction form
    38,221.33/52,745.92 = 21,226.63/x
  3. Step 3: Cross multiply
    38,221.33x = 52,745.92 × 21,226.63
  4. Step 4: Simplify right side
    38,221.33x = 1,119,618,127.85
  5. Step 5: Solve for x
    x = 1,119,618,127.85/38,221.33
  6. Step 6: Final answer
    x = 29,293.02

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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.