Home / 38,751.61-58,107.19-13,788.02

Finding the Fourth Proportional to 38,751.61, 58,107.19 and 13,788.02

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Solution

The fourth proportional to 38,751.61, 58,107.19 and 13,788.02 is: 20,674.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,751.61 : 58,107.19 = 13,788.02 : x
  2. Step 2: Convert to fraction form
    38,751.61/58,107.19 = 13,788.02/x
  3. Step 3: Cross multiply
    38,751.61x = 58,107.19 × 13,788.02
  4. Step 4: Simplify right side
    38,751.61x = 801,183,097.86
  5. Step 5: Solve for x
    x = 801,183,097.86/38,751.61
  6. Step 6: Final answer
    x = 20,674.83

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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.