Home / 48,401.74-72,584.25-18,815.95

Finding the Fourth Proportional to 48,401.74, 72,584.25 and 18,815.95

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Solution

The fourth proportional to 48,401.74, 72,584.25 and 18,815.95 is: 28,216.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,401.74 : 72,584.25 = 18,815.95 : x
  2. Step 2: Convert to fraction form
    48,401.74/72,584.25 = 18,815.95/x
  3. Step 3: Cross multiply
    48,401.74x = 72,584.25 × 18,815.95
  4. Step 4: Simplify right side
    48,401.74x = 1,365,741,618.79
  5. Step 5: Solve for x
    x = 1,365,741,618.79/48,401.74
  6. Step 6: Final answer
    x = 28,216.79

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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.