Home / 33,278.88-49,937.51-18,486.55

Finding the Fourth Proportional to 33,278.88, 49,937.51 and 18,486.55

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Solution

The fourth proportional to 33,278.88, 49,937.51 and 18,486.55 is: 27,740.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,278.88 : 49,937.51 = 18,486.55 : x
  2. Step 2: Convert to fraction form
    33,278.88/49,937.51 = 18,486.55/x
  3. Step 3: Cross multiply
    33,278.88x = 49,937.51 × 18,486.55
  4. Step 4: Simplify right side
    33,278.88x = 923,172,275.49
  5. Step 5: Solve for x
    x = 923,172,275.49/33,278.88
  6. Step 6: Final answer
    x = 27,740.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.