Home / 49,722.40-68,614.88-28,486.96

Finding the Fourth Proportional to 49,722.40, 68,614.88 and 28,486.96

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Solution

The fourth proportional to 49,722.40, 68,614.88 and 28,486.96 is: 39,310.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,722.40 : 68,614.88 = 28,486.96 : x
  2. Step 2: Convert to fraction form
    49,722.40/68,614.88 = 28,486.96/x
  3. Step 3: Cross multiply
    49,722.40x = 68,614.88 × 28,486.96
  4. Step 4: Simplify right side
    49,722.40x = 1,954,629,341.96
  5. Step 5: Solve for x
    x = 1,954,629,341.96/49,722.40
  6. Step 6: Final answer
    x = 39,310.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.