Home / 35,131.87-48,481.38-19,215.99

Finding the Fourth Proportional to 35,131.87, 48,481.38 and 19,215.99

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Solution

The fourth proportional to 35,131.87, 48,481.38 and 19,215.99 is: 26,517.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,131.87 : 48,481.38 = 19,215.99 : x
  2. Step 2: Convert to fraction form
    35,131.87/48,481.38 = 19,215.99/x
  3. Step 3: Cross multiply
    35,131.87x = 48,481.38 × 19,215.99
  4. Step 4: Simplify right side
    35,131.87x = 931,617,470.86
  5. Step 5: Solve for x
    x = 931,617,470.86/35,131.87
  6. Step 6: Final answer
    x = 26,517.73

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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.