Home / 32,811.74-45,284.52-18,661.85

Finding the Fourth Proportional to 32,811.74, 45,284.52 and 18,661.85

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Solution

The fourth proportional to 32,811.74, 45,284.52 and 18,661.85 is: 25,755.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,811.74 : 45,284.52 = 18,661.85 : x
  2. Step 2: Convert to fraction form
    32,811.74/45,284.52 = 18,661.85/x
  3. Step 3: Cross multiply
    32,811.74x = 45,284.52 × 18,661.85
  4. Step 4: Simplify right side
    32,811.74x = 845,092,919.56
  5. Step 5: Solve for x
    x = 845,092,919.56/32,811.74
  6. Step 6: Final answer
    x = 25,755.81

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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.