Home / 33,831.24-46,690.76-19,691.88

Finding the Fourth Proportional to 33,831.24, 46,690.76 and 19,691.88

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Solution

The fourth proportional to 33,831.24, 46,690.76 and 19,691.88 is: 27,176.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,831.24 : 46,690.76 = 19,691.88 : x
  2. Step 2: Convert to fraction form
    33,831.24/46,690.76 = 19,691.88/x
  3. Step 3: Cross multiply
    33,831.24x = 46,690.76 × 19,691.88
  4. Step 4: Simplify right side
    33,831.24x = 919,428,843.03
  5. Step 5: Solve for x
    x = 919,428,843.03/33,831.24
  6. Step 6: Final answer
    x = 27,176.92

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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.