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Finding the Fourth Proportional to 63,696.56, 95,548.64 and 19,323.68

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Solution

The fourth proportional to 63,696.56, 95,548.64 and 19,323.68 is: 28,986.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,696.56 : 95,548.64 = 19,323.68 : x
  2. Step 2: Convert to fraction form
    63,696.56/95,548.64 = 19,323.68/x
  3. Step 3: Cross multiply
    63,696.56x = 95,548.64 × 19,323.68
  4. Step 4: Simplify right side
    63,696.56x = 1,846,351,343.80
  5. Step 5: Solve for x
    x = 1,846,351,343.80/63,696.56
  6. Step 6: Final answer
    x = 28,986.67

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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.