Home / 51,293.25-76,949.85-19,701

Finding the Fourth Proportional to 51,293.25, 76,949.85 and 19,701

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Solution

The fourth proportional to 51,293.25, 76,949.85 and 19,701 is: 29,555.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,293.25 : 76,949.85 = 19,701 : x
  2. Step 2: Convert to fraction form
    51,293.25/76,949.85 = 19,701/x
  3. Step 3: Cross multiply
    51,293.25x = 76,949.85 × 19,701
  4. Step 4: Simplify right side
    51,293.25x = 1,515,988,994.85
  5. Step 5: Solve for x
    x = 1,515,988,994.85/51,293.25
  6. Step 6: Final answer
    x = 29,555.33

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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.