Home / 39,876.04-55,027.23-22,868.47

Finding the Fourth Proportional to 39,876.04, 55,027.23 and 22,868.47

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Solution

The fourth proportional to 39,876.04, 55,027.23 and 22,868.47 is: 31,557.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,876.04 : 55,027.23 = 22,868.47 : x
  2. Step 2: Convert to fraction form
    39,876.04/55,027.23 = 22,868.47/x
  3. Step 3: Cross multiply
    39,876.04x = 55,027.23 × 22,868.47
  4. Step 4: Simplify right side
    39,876.04x = 1,258,388,558.44
  5. Step 5: Solve for x
    x = 1,258,388,558.44/39,876.04
  6. Step 6: Final answer
    x = 31,557.51

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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.