Home / 33,728.27-46,543.79-18,620.61

Finding the Fourth Proportional to 33,728.27, 46,543.79 and 18,620.61

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Solution

The fourth proportional to 33,728.27, 46,543.79 and 18,620.61 is: 25,695.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,728.27 : 46,543.79 = 18,620.61 : x
  2. Step 2: Convert to fraction form
    33,728.27/46,543.79 = 18,620.61/x
  3. Step 3: Cross multiply
    33,728.27x = 46,543.79 × 18,620.61
  4. Step 4: Simplify right side
    33,728.27x = 866,673,808.06
  5. Step 5: Solve for x
    x = 866,673,808.06/33,728.27
  6. Step 6: Final answer
    x = 25,695.77

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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.