Home / 51,186.36-76,786.92-16,128.84

Finding the Fourth Proportional to 51,186.36, 76,786.92 and 16,128.84

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Solution

The fourth proportional to 51,186.36, 76,786.92 and 16,128.84 is: 24,195.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,186.36 : 76,786.92 = 16,128.84 : x
  2. Step 2: Convert to fraction form
    51,186.36/76,786.92 = 16,128.84/x
  3. Step 3: Cross multiply
    51,186.36x = 76,786.92 × 16,128.84
  4. Step 4: Simplify right side
    51,186.36x = 1,238,483,946.77
  5. Step 5: Solve for x
    x = 1,238,483,946.77/51,186.36
  6. Step 6: Final answer
    x = 24,195.59

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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.