Home / 38,682.72-53,383.68-22,766.40

Finding the Fourth Proportional to 38,682.72, 53,383.68 and 22,766.40

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Solution

The fourth proportional to 38,682.72, 53,383.68 and 22,766.40 is: 31,418.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,682.72 : 53,383.68 = 22,766.40 : x
  2. Step 2: Convert to fraction form
    38,682.72/53,383.68 = 22,766.40/x
  3. Step 3: Cross multiply
    38,682.72x = 53,383.68 × 22,766.40
  4. Step 4: Simplify right side
    38,682.72x = 1,215,354,212.35
  5. Step 5: Solve for x
    x = 1,215,354,212.35/38,682.72
  6. Step 6: Final answer
    x = 31,418.53

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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.