Home / 33,831.51-46,687.14-18,724.20

Finding the Fourth Proportional to 33,831.51, 46,687.14 and 18,724.20

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Solution

The fourth proportional to 33,831.51, 46,687.14 and 18,724.20 is: 25,839.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,831.51 : 46,687.14 = 18,724.20 : x
  2. Step 2: Convert to fraction form
    33,831.51/46,687.14 = 18,724.20/x
  3. Step 3: Cross multiply
    33,831.51x = 46,687.14 × 18,724.20
  4. Step 4: Simplify right side
    33,831.51x = 874,179,346.79
  5. Step 5: Solve for x
    x = 874,179,346.79/33,831.51
  6. Step 6: Final answer
    x = 25,839.21

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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.