Home / 41,078.88-61,622.10-18,898.38

Finding the Fourth Proportional to 41,078.88, 61,622.10 and 18,898.38

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Solution

The fourth proportional to 41,078.88, 61,622.10 and 18,898.38 is: 28,349.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,078.88 : 61,622.10 = 18,898.38 : x
  2. Step 2: Convert to fraction form
    41,078.88/61,622.10 = 18,898.38/x
  3. Step 3: Cross multiply
    41,078.88x = 61,622.10 × 18,898.38
  4. Step 4: Simplify right side
    41,078.88x = 1,164,557,862.20
  5. Step 5: Solve for x
    x = 1,164,557,862.20/41,078.88
  6. Step 6: Final answer
    x = 28,349.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.