Home / 39,058.23-53,900.87-21,829.85

Finding the Fourth Proportional to 39,058.23, 53,900.87 and 21,829.85

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Solution

The fourth proportional to 39,058.23, 53,900.87 and 21,829.85 is: 30,125.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,058.23 : 53,900.87 = 21,829.85 : x
  2. Step 2: Convert to fraction form
    39,058.23/53,900.87 = 21,829.85/x
  3. Step 3: Cross multiply
    39,058.23x = 53,900.87 × 21,829.85
  4. Step 4: Simplify right side
    39,058.23x = 1,176,647,906.97
  5. Step 5: Solve for x
    x = 1,176,647,906.97/39,058.23
  6. Step 6: Final answer
    x = 30,125.48

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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.