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Finding the Fourth Proportional to 51,328.54, 76,995.54 and 16,270.94

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Solution

The fourth proportional to 51,328.54, 76,995.54 and 16,270.94 is: 24,407.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,328.54 : 76,995.54 = 16,270.94 : x
  2. Step 2: Convert to fraction form
    51,328.54/76,995.54 = 16,270.94/x
  3. Step 3: Cross multiply
    51,328.54x = 76,995.54 × 16,270.94
  4. Step 4: Simplify right side
    51,328.54x = 1,252,789,811.61
  5. Step 5: Solve for x
    x = 1,252,789,811.61/51,328.54
  6. Step 6: Final answer
    x = 24,407.28

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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.