Home / 33,029.42-45,574.89-18,689.90

Finding the Fourth Proportional to 33,029.42, 45,574.89 and 18,689.90

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Solution

The fourth proportional to 33,029.42, 45,574.89 and 18,689.90 is: 25,788.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,029.42 : 45,574.89 = 18,689.90 : x
  2. Step 2: Convert to fraction form
    33,029.42/45,574.89 = 18,689.90/x
  3. Step 3: Cross multiply
    33,029.42x = 45,574.89 × 18,689.90
  4. Step 4: Simplify right side
    33,029.42x = 851,790,136.61
  5. Step 5: Solve for x
    x = 851,790,136.61/33,029.42
  6. Step 6: Final answer
    x = 25,788.83

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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.