Home / 40,982.25-61,483.11-13,280.25

Finding the Fourth Proportional to 40,982.25, 61,483.11 and 13,280.25

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Solution

The fourth proportional to 40,982.25, 61,483.11 and 13,280.25 is: 19,923.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,982.25 : 61,483.11 = 13,280.25 : x
  2. Step 2: Convert to fraction form
    40,982.25/61,483.11 = 13,280.25/x
  3. Step 3: Cross multiply
    40,982.25x = 61,483.11 × 13,280.25
  4. Step 4: Simplify right side
    40,982.25x = 816,511,071.58
  5. Step 5: Solve for x
    x = 816,511,071.58/40,982.25
  6. Step 6: Final answer
    x = 19,923.53

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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.