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Finding the Fourth Proportional to 64,818.28, 97,195.02 and 29,728

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Solution

The fourth proportional to 64,818.28, 97,195.02 and 29,728 is: 44,577.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,818.28 : 97,195.02 = 29,728 : x
  2. Step 2: Convert to fraction form
    64,818.28/97,195.02 = 29,728/x
  3. Step 3: Cross multiply
    64,818.28x = 97,195.02 × 29,728
  4. Step 4: Simplify right side
    64,818.28x = 2,889,413,554.56
  5. Step 5: Solve for x
    x = 2,889,413,554.56/64,818.28
  6. Step 6: Final answer
    x = 44,577.14

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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.