Home / 38,739.96-58,104.45-12,441.29

Finding the Fourth Proportional to 38,739.96, 58,104.45 and 12,441.29

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Solution

The fourth proportional to 38,739.96, 58,104.45 and 12,441.29 is: 18,660.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,739.96 : 58,104.45 = 12,441.29 : x
  2. Step 2: Convert to fraction form
    38,739.96/58,104.45 = 12,441.29/x
  3. Step 3: Cross multiply
    38,739.96x = 58,104.45 × 12,441.29
  4. Step 4: Simplify right side
    38,739.96x = 722,894,022.22
  5. Step 5: Solve for x
    x = 722,894,022.22/38,739.96
  6. Step 6: Final answer
    x = 18,660.16

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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.