Home / 38,766.86-58,113.38-12,453.15

Finding the Fourth Proportional to 38,766.86, 58,113.38 and 12,453.15

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Solution

The fourth proportional to 38,766.86, 58,113.38 and 12,453.15 is: 18,667.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,766.86 : 58,113.38 = 12,453.15 : x
  2. Step 2: Convert to fraction form
    38,766.86/58,113.38 = 12,453.15/x
  3. Step 3: Cross multiply
    38,766.86x = 58,113.38 × 12,453.15
  4. Step 4: Simplify right side
    38,766.86x = 723,694,887.21
  5. Step 5: Solve for x
    x = 723,694,887.21/38,766.86
  6. Step 6: Final answer
    x = 18,667.88

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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.