Home / 41,985.78-57,940.02-23,122.50

Finding the Fourth Proportional to 41,985.78, 57,940.02 and 23,122.50

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Solution

The fourth proportional to 41,985.78, 57,940.02 and 23,122.50 is: 31,908.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,985.78 : 57,940.02 = 23,122.50 : x
  2. Step 2: Convert to fraction form
    41,985.78/57,940.02 = 23,122.50/x
  3. Step 3: Cross multiply
    41,985.78x = 57,940.02 × 23,122.50
  4. Step 4: Simplify right side
    41,985.78x = 1,339,718,112.45
  5. Step 5: Solve for x
    x = 1,339,718,112.45/41,985.78
  6. Step 6: Final answer
    x = 31,908.85

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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.