Home / 55,001.98-82,503.29-19,940.73

Finding the Fourth Proportional to 55,001.98, 82,503.29 and 19,940.73

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Solution

The fourth proportional to 55,001.98, 82,503.29 and 19,940.73 is: 29,911.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,001.98 : 82,503.29 = 19,940.73 : x
  2. Step 2: Convert to fraction form
    55,001.98/82,503.29 = 19,940.73/x
  3. Step 3: Cross multiply
    55,001.98x = 82,503.29 × 19,940.73
  4. Step 4: Simplify right side
    55,001.98x = 1,645,175,830.00
  5. Step 5: Solve for x
    x = 1,645,175,830.00/55,001.98
  6. Step 6: Final answer
    x = 29,911.21

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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.