Home / 33,126.91-45,719.55-18,791.92

Finding the Fourth Proportional to 33,126.91, 45,719.55 and 18,791.92

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Solution

The fourth proportional to 33,126.91, 45,719.55 and 18,791.92 is: 25,935.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,126.91 : 45,719.55 = 18,791.92 : x
  2. Step 2: Convert to fraction form
    33,126.91/45,719.55 = 18,791.92/x
  3. Step 3: Cross multiply
    33,126.91x = 45,719.55 × 18,791.92
  4. Step 4: Simplify right side
    33,126.91x = 859,158,126.04
  5. Step 5: Solve for x
    x = 859,158,126.04/33,126.91
  6. Step 6: Final answer
    x = 25,935.35

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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.