Home / 55,350.72-76,414.68-36,520.32

Finding the Fourth Proportional to 55,350.72, 76,414.68 and 36,520.32

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Solution

The fourth proportional to 55,350.72, 76,414.68 and 36,520.32 is: 50,418.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,350.72 : 76,414.68 = 36,520.32 : x
  2. Step 2: Convert to fraction form
    55,350.72/76,414.68 = 36,520.32/x
  3. Step 3: Cross multiply
    55,350.72x = 76,414.68 × 36,520.32
  4. Step 4: Simplify right side
    55,350.72x = 2,790,688,566.30
  5. Step 5: Solve for x
    x = 2,790,688,566.30/55,350.72
  6. Step 6: Final answer
    x = 50,418.29

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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.