Home / 50,461.38-69,636.70-28,105.38

Finding the Fourth Proportional to 50,461.38, 69,636.70 and 28,105.38

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Solution

The fourth proportional to 50,461.38, 69,636.70 and 28,105.38 is: 38,785.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,461.38 : 69,636.70 = 28,105.38 : x
  2. Step 2: Convert to fraction form
    50,461.38/69,636.70 = 28,105.38/x
  3. Step 3: Cross multiply
    50,461.38x = 69,636.70 × 28,105.38
  4. Step 4: Simplify right side
    50,461.38x = 1,957,165,567.26
  5. Step 5: Solve for x
    x = 1,957,165,567.26/50,461.38
  6. Step 6: Final answer
    x = 38,785.42

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1.5x scale

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.