Home / 39,912.42-55,081.20-22,916.58

Finding the Fourth Proportional to 39,912.42, 55,081.20 and 22,916.58

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Solution

The fourth proportional to 39,912.42, 55,081.20 and 22,916.58 is: 31,626.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,912.42 : 55,081.20 = 22,916.58 : x
  2. Step 2: Convert to fraction form
    39,912.42/55,081.20 = 22,916.58/x
  3. Step 3: Cross multiply
    39,912.42x = 55,081.20 × 22,916.58
  4. Step 4: Simplify right side
    39,912.42x = 1,262,272,726.30
  5. Step 5: Solve for x
    x = 1,262,272,726.30/39,912.42
  6. Step 6: Final answer
    x = 31,626.06

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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.