Home / 51,603.06-77,394.84-18,321.78

Finding the Fourth Proportional to 51,603.06, 77,394.84 and 18,321.78

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Solution

The fourth proportional to 51,603.06, 77,394.84 and 18,321.78 is: 27,479.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,603.06 : 77,394.84 = 18,321.78 : x
  2. Step 2: Convert to fraction form
    51,603.06/77,394.84 = 18,321.78/x
  3. Step 3: Cross multiply
    51,603.06x = 77,394.84 × 18,321.78
  4. Step 4: Simplify right side
    51,603.06x = 1,418,011,231.62
  5. Step 5: Solve for x
    x = 1,418,011,231.62/51,603.06
  6. Step 6: Final answer
    x = 27,479.21

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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.