Home / 39,573.73-54,611.75-21,669.83

Finding the Fourth Proportional to 39,573.73, 54,611.75 and 21,669.83

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Solution

The fourth proportional to 39,573.73, 54,611.75 and 21,669.83 is: 29,904.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,573.73 : 54,611.75 = 21,669.83 : x
  2. Step 2: Convert to fraction form
    39,573.73/54,611.75 = 21,669.83/x
  3. Step 3: Cross multiply
    39,573.73x = 54,611.75 × 21,669.83
  4. Step 4: Simplify right side
    39,573.73x = 1,183,427,338.50
  5. Step 5: Solve for x
    x = 1,183,427,338.50/39,573.73
  6. Step 6: Final answer
    x = 29,904.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.