Home / 39,877.54-55,029.31-22,869.97

Finding the Fourth Proportional to 39,877.54, 55,029.31 and 22,869.97

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Solution

The fourth proportional to 39,877.54, 55,029.31 and 22,869.97 is: 31,559.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,877.54 : 55,029.31 = 22,869.97 : x
  2. Step 2: Convert to fraction form
    39,877.54/55,029.31 = 22,869.97/x
  3. Step 3: Cross multiply
    39,877.54x = 55,029.31 × 22,869.97
  4. Step 4: Simplify right side
    39,877.54x = 1,258,518,668.82
  5. Step 5: Solve for x
    x = 1,258,518,668.82/39,877.54
  6. Step 6: Final answer
    x = 31,559.59

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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.