Home / 51,418.49-77,133.95-18,131.73

Finding the Fourth Proportional to 51,418.49, 77,133.95 and 18,131.73

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Solution

The fourth proportional to 51,418.49, 77,133.95 and 18,131.73 is: 27,199.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,418.49 : 77,133.95 = 18,131.73 : x
  2. Step 2: Convert to fraction form
    51,418.49/77,133.95 = 18,131.73/x
  3. Step 3: Cross multiply
    51,418.49x = 77,133.95 × 18,131.73
  4. Step 4: Simplify right side
    51,418.49x = 1,398,571,864.57
  5. Step 5: Solve for x
    x = 1,398,571,864.57/51,418.49
  6. Step 6: Final answer
    x = 27,199.79

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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.