Home / 38,867.59-58,309.89-12,571.95

Finding the Fourth Proportional to 38,867.59, 58,309.89 and 12,571.95

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Solution

The fourth proportional to 38,867.59, 58,309.89 and 12,571.95 is: 18,860.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,867.59 : 58,309.89 = 12,571.95 : x
  2. Step 2: Convert to fraction form
    38,867.59/58,309.89 = 12,571.95/x
  3. Step 3: Cross multiply
    38,867.59x = 58,309.89 × 12,571.95
  4. Step 4: Simplify right side
    38,867.59x = 733,068,958.73
  5. Step 5: Solve for x
    x = 733,068,958.73/38,867.59
  6. Step 6: Final answer
    x = 18,860.68

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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.