Home / 33,125.91-45,718.17-18,790.92

Finding the Fourth Proportional to 33,125.91, 45,718.17 and 18,790.92

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Solution

The fourth proportional to 33,125.91, 45,718.17 and 18,790.92 is: 25,933.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,125.91 : 45,718.17 = 18,790.92 : x
  2. Step 2: Convert to fraction form
    33,125.91/45,718.17 = 18,790.92/x
  3. Step 3: Cross multiply
    33,125.91x = 45,718.17 × 18,790.92
  4. Step 4: Simplify right side
    33,125.91x = 859,086,475.02
  5. Step 5: Solve for x
    x = 859,086,475.02/33,125.91
  6. Step 6: Final answer
    x = 25,933.97

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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.