Home / 38,176.92-52,684.20-21,408.84

Finding the Fourth Proportional to 38,176.92, 52,684.20 and 21,408.84

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Solution

The fourth proportional to 38,176.92, 52,684.20 and 21,408.84 is: 29,544.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,176.92 : 52,684.20 = 21,408.84 : x
  2. Step 2: Convert to fraction form
    38,176.92/52,684.20 = 21,408.84/x
  3. Step 3: Cross multiply
    38,176.92x = 52,684.20 × 21,408.84
  4. Step 4: Simplify right side
    38,176.92x = 1,127,907,608.33
  5. Step 5: Solve for x
    x = 1,127,907,608.33/38,176.92
  6. Step 6: Final answer
    x = 29,544.23

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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.