Home / 41,639.94-57,467.16-22,779.90

Finding the Fourth Proportional to 41,639.94, 57,467.16 and 22,779.90

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Solution

The fourth proportional to 41,639.94, 57,467.16 and 22,779.90 is: 31,438.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,639.94 : 57,467.16 = 22,779.90 : x
  2. Step 2: Convert to fraction form
    41,639.94/57,467.16 = 22,779.90/x
  3. Step 3: Cross multiply
    41,639.94x = 57,467.16 × 22,779.90
  4. Step 4: Simplify right side
    41,639.94x = 1,309,096,158.08
  5. Step 5: Solve for x
    x = 1,309,096,158.08/41,639.94
  6. Step 6: Final answer
    x = 31,438.47

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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.