Home / 33,106.78-45,687.54-17,999.61

Finding the Fourth Proportional to 33,106.78, 45,687.54 and 17,999.61

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Solution

The fourth proportional to 33,106.78, 45,687.54 and 17,999.61 is: 24,839.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,106.78 : 45,687.54 = 17,999.61 : x
  2. Step 2: Convert to fraction form
    33,106.78/45,687.54 = 17,999.61/x
  3. Step 3: Cross multiply
    33,106.78x = 45,687.54 × 17,999.61
  4. Step 4: Simplify right side
    33,106.78x = 822,357,901.86
  5. Step 5: Solve for x
    x = 822,357,901.86/33,106.78
  6. Step 6: Final answer
    x = 24,839.56

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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.