Home / 38,906.73-58,368.30-12,609.42

Finding the Fourth Proportional to 38,906.73, 58,368.30 and 12,609.42

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Solution

The fourth proportional to 38,906.73, 58,368.30 and 12,609.42 is: 18,916.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,906.73 : 58,368.30 = 12,609.42 : x
  2. Step 2: Convert to fraction form
    38,906.73/58,368.30 = 12,609.42/x
  3. Step 3: Cross multiply
    38,906.73x = 58,368.30 × 12,609.42
  4. Step 4: Simplify right side
    38,906.73x = 735,990,471.54
  5. Step 5: Solve for x
    x = 735,990,471.54/38,906.73
  6. Step 6: Final answer
    x = 18,916.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.