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Finding the Fourth Proportional to 64,496.70, 96,715.89 and 22,944.78

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Solution

The fourth proportional to 64,496.70, 96,715.89 and 22,944.78 is: 34,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,496.70 : 96,715.89 = 22,944.78 : x
  2. Step 2: Convert to fraction form
    64,496.70/96,715.89 = 22,944.78/x
  3. Step 3: Cross multiply
    64,496.70x = 96,715.89 × 22,944.78
  4. Step 4: Simplify right side
    64,496.70x = 2,219,124,818.55
  5. Step 5: Solve for x
    x = 2,219,124,818.55/64,496.70
  6. Step 6: Final answer
    x = 34,406.80

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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.