Home / 33,831.20-46,686.09-18,724.48

Finding the Fourth Proportional to 33,831.20, 46,686.09 and 18,724.48

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Solution

The fourth proportional to 33,831.20, 46,686.09 and 18,724.48 is: 25,839.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,831.20 : 46,686.09 = 18,724.48 : x
  2. Step 2: Convert to fraction form
    33,831.20/46,686.09 = 18,724.48/x
  3. Step 3: Cross multiply
    33,831.20x = 46,686.09 × 18,724.48
  4. Step 4: Simplify right side
    33,831.20x = 874,172,758.48
  5. Step 5: Solve for x
    x = 874,172,758.48/33,831.20
  6. Step 6: Final answer
    x = 25,839.25

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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.