Home / 47,846.39-71,766.68-21,184.61

Finding the Fourth Proportional to 47,846.39, 71,766.68 and 21,184.61

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Solution

The fourth proportional to 47,846.39, 71,766.68 and 21,184.61 is: 31,775.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,846.39 : 71,766.68 = 21,184.61 : x
  2. Step 2: Convert to fraction form
    47,846.39/71,766.68 = 21,184.61/x
  3. Step 3: Cross multiply
    47,846.39x = 71,766.68 × 21,184.61
  4. Step 4: Simplify right side
    47,846.39x = 1,520,348,662.04
  5. Step 5: Solve for x
    x = 1,520,348,662.04/47,846.39
  6. Step 6: Final answer
    x = 31,775.62

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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.