Home / 51,240.40-76,864.24-16,179.75

Finding the Fourth Proportional to 51,240.40, 76,864.24 and 16,179.75

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Solution

The fourth proportional to 51,240.40, 76,864.24 and 16,179.75 is: 24,270.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,240.40 : 76,864.24 = 16,179.75 : x
  2. Step 2: Convert to fraction form
    51,240.40/76,864.24 = 16,179.75/x
  3. Step 3: Cross multiply
    51,240.40x = 76,864.24 × 16,179.75
  4. Step 4: Simplify right side
    51,240.40x = 1,243,644,207.36
  5. Step 5: Solve for x
    x = 1,243,644,207.36/51,240.40
  6. Step 6: Final answer
    x = 24,270.78

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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.