Home / 50,356.20-69,486.11-29,131.50

Finding the Fourth Proportional to 50,356.20, 69,486.11 and 29,131.50

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Solution

The fourth proportional to 50,356.20, 69,486.11 and 29,131.50 is: 40,198.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,356.20 : 69,486.11 = 29,131.50 : x
  2. Step 2: Convert to fraction form
    50,356.20/69,486.11 = 29,131.50/x
  3. Step 3: Cross multiply
    50,356.20x = 69,486.11 × 29,131.50
  4. Step 4: Simplify right side
    50,356.20x = 2,024,234,467.81
  5. Step 5: Solve for x
    x = 2,024,234,467.81/50,356.20
  6. Step 6: Final answer
    x = 40,198.32

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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.