Home / 41,987.78-57,942.78-23,124.50

Finding the Fourth Proportional to 41,987.78, 57,942.78 and 23,124.50

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Solution

The fourth proportional to 41,987.78, 57,942.78 and 23,124.50 is: 31,911.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,987.78 : 57,942.78 = 23,124.50 : x
  2. Step 2: Convert to fraction form
    41,987.78/57,942.78 = 23,124.50/x
  3. Step 3: Cross multiply
    41,987.78x = 57,942.78 × 23,124.50
  4. Step 4: Simplify right side
    41,987.78x = 1,339,897,816.11
  5. Step 5: Solve for x
    x = 1,339,897,816.11/41,987.78
  6. Step 6: Final answer
    x = 31,911.61

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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.