Home / 29,454.35-40,633.79-19,891.13

Finding the Fourth Proportional to 29,454.35, 40,633.79 and 19,891.13

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Solution

The fourth proportional to 29,454.35, 40,633.79 and 19,891.13 is: 27,440.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,454.35 : 40,633.79 = 19,891.13 : x
  2. Step 2: Convert to fraction form
    29,454.35/40,633.79 = 19,891.13/x
  3. Step 3: Cross multiply
    29,454.35x = 40,633.79 × 19,891.13
  4. Step 4: Simplify right side
    29,454.35x = 808,251,696.66
  5. Step 5: Solve for x
    x = 808,251,696.66/29,454.35
  6. Step 6: Final answer
    x = 27,440.83

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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.