Home / 33,129.28-45,717.51-18,791.74

Finding the Fourth Proportional to 33,129.28, 45,717.51 and 18,791.74

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Solution

The fourth proportional to 33,129.28, 45,717.51 and 18,791.74 is: 25,932.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,129.28 : 45,717.51 = 18,791.74 : x
  2. Step 2: Convert to fraction form
    33,129.28/45,717.51 = 18,791.74/x
  3. Step 3: Cross multiply
    33,129.28x = 45,717.51 × 18,791.74
  4. Step 4: Simplify right side
    33,129.28x = 859,111,561.37
  5. Step 5: Solve for x
    x = 859,111,561.37/33,129.28
  6. Step 6: Final answer
    x = 25,932.09

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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.