Home / 33,320.30-45,983.25-18,213.97

Finding the Fourth Proportional to 33,320.30, 45,983.25 and 18,213.97

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Solution

The fourth proportional to 33,320.30, 45,983.25 and 18,213.97 is: 25,135.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,320.30 : 45,983.25 = 18,213.97 : x
  2. Step 2: Convert to fraction form
    33,320.30/45,983.25 = 18,213.97/x
  3. Step 3: Cross multiply
    33,320.30x = 45,983.25 × 18,213.97
  4. Step 4: Simplify right side
    33,320.30x = 837,537,444.93
  5. Step 5: Solve for x
    x = 837,537,444.93/33,320.30
  6. Step 6: Final answer
    x = 25,135.95

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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.