Home / 38,194.96-52,712.22-21,200.80

Finding the Fourth Proportional to 38,194.96, 52,712.22 and 21,200.80

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Solution

The fourth proportional to 38,194.96, 52,712.22 and 21,200.80 is: 29,258.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,194.96 : 52,712.22 = 21,200.80 : x
  2. Step 2: Convert to fraction form
    38,194.96/52,712.22 = 21,200.80/x
  3. Step 3: Cross multiply
    38,194.96x = 52,712.22 × 21,200.80
  4. Step 4: Simplify right side
    38,194.96x = 1,117,541,233.78
  5. Step 5: Solve for x
    x = 1,117,541,233.78/38,194.96
  6. Step 6: Final answer
    x = 29,258.87

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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.