Home / 38,734.43-53,471.22-29,778.80

Finding the Fourth Proportional to 38,734.43, 53,471.22 and 29,778.80

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Solution

The fourth proportional to 38,734.43, 53,471.22 and 29,778.80 is: 41,108.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,734.43 : 53,471.22 = 29,778.80 : x
  2. Step 2: Convert to fraction form
    38,734.43/53,471.22 = 29,778.80/x
  3. Step 3: Cross multiply
    38,734.43x = 53,471.22 × 29,778.80
  4. Step 4: Simplify right side
    38,734.43x = 1,592,308,766.14
  5. Step 5: Solve for x
    x = 1,592,308,766.14/38,734.43
  6. Step 6: Final answer
    x = 41,108.36

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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.