Home / 33,811.61-46,659.17-18,705.11

Finding the Fourth Proportional to 33,811.61, 46,659.17 and 18,705.11

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Solution

The fourth proportional to 33,811.61, 46,659.17 and 18,705.11 is: 25,812.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,811.61 : 46,659.17 = 18,705.11 : x
  2. Step 2: Convert to fraction form
    33,811.61/46,659.17 = 18,705.11/x
  3. Step 3: Cross multiply
    33,811.61x = 46,659.17 × 18,705.11
  4. Step 4: Simplify right side
    33,811.61x = 872,764,720.83
  5. Step 5: Solve for x
    x = 872,764,720.83/33,811.61
  6. Step 6: Final answer
    x = 25,812.58

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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.