Home / 33,831.36-46,687.20-19,685.04

Finding the Fourth Proportional to 33,831.36, 46,687.20 and 19,685.04

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Solution

The fourth proportional to 33,831.36, 46,687.20 and 19,685.04 is: 27,165.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,831.36 : 46,687.20 = 19,685.04 : x
  2. Step 2: Convert to fraction form
    33,831.36/46,687.20 = 19,685.04/x
  3. Step 3: Cross multiply
    33,831.36x = 46,687.20 × 19,685.04
  4. Step 4: Simplify right side
    33,831.36x = 919,039,399.49
  5. Step 5: Solve for x
    x = 919,039,399.49/33,831.36
  6. Step 6: Final answer
    x = 27,165.31

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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.