Home / 51,838.09-77,769.47-16,777.75

Finding the Fourth Proportional to 51,838.09, 77,769.47 and 16,777.75

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Solution

The fourth proportional to 51,838.09, 77,769.47 and 16,777.75 is: 25,170.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,838.09 : 77,769.47 = 16,777.75 : x
  2. Step 2: Convert to fraction form
    51,838.09/77,769.47 = 16,777.75/x
  3. Step 3: Cross multiply
    51,838.09x = 77,769.47 × 16,777.75
  4. Step 4: Simplify right side
    51,838.09x = 1,304,796,336.45
  5. Step 5: Solve for x
    x = 1,304,796,336.45/51,838.09
  6. Step 6: Final answer
    x = 25,170.61

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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.