Home / 41,421.78-57,162.18-22,559.04

Finding the Fourth Proportional to 41,421.78, 57,162.18 and 22,559.04

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Solution

The fourth proportional to 41,421.78, 57,162.18 and 22,559.04 is: 31,131.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,421.78 : 57,162.18 = 22,559.04 : x
  2. Step 2: Convert to fraction form
    41,421.78/57,162.18 = 22,559.04/x
  3. Step 3: Cross multiply
    41,421.78x = 57,162.18 × 22,559.04
  4. Step 4: Simplify right side
    41,421.78x = 1,289,523,905.11
  5. Step 5: Solve for x
    x = 1,289,523,905.11/41,421.78
  6. Step 6: Final answer
    x = 31,131.54

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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.