Home / 29,454.45-40,633.97-19,891.28

Finding the Fourth Proportional to 29,454.45, 40,633.97 and 19,891.28

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Solution

The fourth proportional to 29,454.45, 40,633.97 and 19,891.28 is: 27,441.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,454.45 : 40,633.97 = 19,891.28 : x
  2. Step 2: Convert to fraction form
    29,454.45/40,633.97 = 19,891.28/x
  3. Step 3: Cross multiply
    29,454.45x = 40,633.97 × 19,891.28
  4. Step 4: Simplify right side
    29,454.45x = 808,261,674.78
  5. Step 5: Solve for x
    x = 808,261,674.78/29,454.45
  6. Step 6: Final answer
    x = 27,441.07

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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.