Home / 33,221.79-45,849.96-18,883.78

Finding the Fourth Proportional to 33,221.79, 45,849.96 and 18,883.78

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Solution

The fourth proportional to 33,221.79, 45,849.96 and 18,883.78 is: 26,061.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,221.79 : 45,849.96 = 18,883.78 : x
  2. Step 2: Convert to fraction form
    33,221.79/45,849.96 = 18,883.78/x
  3. Step 3: Cross multiply
    33,221.79x = 45,849.96 × 18,883.78
  4. Step 4: Simplify right side
    33,221.79x = 865,820,513.84
  5. Step 5: Solve for x
    x = 865,820,513.84/33,221.79
  6. Step 6: Final answer
    x = 26,061.82

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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.