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Finding the Fourth Proportional to 35,684.92, 49,243.74 and 19,770.04

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Solution

The fourth proportional to 35,684.92, 49,243.74 and 19,770.04 is: 27,281.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,684.92 : 49,243.74 = 19,770.04 : x
  2. Step 2: Convert to fraction form
    35,684.92/49,243.74 = 19,770.04/x
  3. Step 3: Cross multiply
    35,684.92x = 49,243.74 × 19,770.04
  4. Step 4: Simplify right side
    35,684.92x = 973,550,709.55
  5. Step 5: Solve for x
    x = 973,550,709.55/35,684.92
  6. Step 6: Final answer
    x = 27,281.85

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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.