Home / 33,831.28-46,686-18,724.58

Finding the Fourth Proportional to 33,831.28, 46,686 and 18,724.58

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Solution

The fourth proportional to 33,831.28, 46,686 and 18,724.58 is: 25,839.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,831.28 : 46,686 = 18,724.58 : x
  2. Step 2: Convert to fraction form
    33,831.28/46,686 = 18,724.58/x
  3. Step 3: Cross multiply
    33,831.28x = 46,686 × 18,724.58
  4. Step 4: Simplify right side
    33,831.28x = 874,175,741.88
  5. Step 5: Solve for x
    x = 874,175,741.88/33,831.28
  6. Step 6: Final answer
    x = 25,839.28

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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.