Home / 33,196.28-45,820.49-21,712.86

Finding the Fourth Proportional to 33,196.28, 45,820.49 and 21,712.86

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Solution

The fourth proportional to 33,196.28, 45,820.49 and 21,712.86 is: 29,970.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,196.28 : 45,820.49 = 21,712.86 : x
  2. Step 2: Convert to fraction form
    33,196.28/45,820.49 = 21,712.86/x
  3. Step 3: Cross multiply
    33,196.28x = 45,820.49 × 21,712.86
  4. Step 4: Simplify right side
    33,196.28x = 994,893,775.94
  5. Step 5: Solve for x
    x = 994,893,775.94/33,196.28
  6. Step 6: Final answer
    x = 29,970.04

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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.