Home / 51,383.80-77,028.99-19,773.70

Finding the Fourth Proportional to 51,383.80, 77,028.99 and 19,773.70

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Solution

The fourth proportional to 51,383.80, 77,028.99 and 19,773.70 is: 29,642.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,383.80 : 77,028.99 = 19,773.70 : x
  2. Step 2: Convert to fraction form
    51,383.80/77,028.99 = 19,773.70/x
  3. Step 3: Cross multiply
    51,383.80x = 77,028.99 × 19,773.70
  4. Step 4: Simplify right side
    51,383.80x = 1,523,148,257.98
  5. Step 5: Solve for x
    x = 1,523,148,257.98/51,383.80
  6. Step 6: Final answer
    x = 29,642.58

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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.