Home / 41,978.30-57,915.40-23,826.86

Finding the Fourth Proportional to 41,978.30, 57,915.40 and 23,826.86

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Solution

The fourth proportional to 41,978.30, 57,915.40 and 23,826.86 is: 32,872.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,978.30 : 57,915.40 = 23,826.86 : x
  2. Step 2: Convert to fraction form
    41,978.30/57,915.40 = 23,826.86/x
  3. Step 3: Cross multiply
    41,978.30x = 57,915.40 × 23,826.86
  4. Step 4: Simplify right side
    41,978.30x = 1,379,942,127.64
  5. Step 5: Solve for x
    x = 1,379,942,127.64/41,978.30
  6. Step 6: Final answer
    x = 32,872.75

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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.