Home / 39,823.49-54,954.77-22,815.92

Finding the Fourth Proportional to 39,823.49, 54,954.77 and 22,815.92

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Solution

The fourth proportional to 39,823.49, 54,954.77 and 22,815.92 is: 31,485.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,823.49 : 54,954.77 = 22,815.92 : x
  2. Step 2: Convert to fraction form
    39,823.49/54,954.77 = 22,815.92/x
  3. Step 3: Cross multiply
    39,823.49x = 54,954.77 × 22,815.92
  4. Step 4: Simplify right side
    39,823.49x = 1,253,843,659.25
  5. Step 5: Solve for x
    x = 1,253,843,659.25/39,823.49
  6. Step 6: Final answer
    x = 31,485.03

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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.