Home / 33,825.78-46,678.88-18,718.43

Finding the Fourth Proportional to 33,825.78, 46,678.88 and 18,718.43

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Solution

The fourth proportional to 33,825.78, 46,678.88 and 18,718.43 is: 25,831.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,825.78 : 46,678.88 = 18,718.43 : x
  2. Step 2: Convert to fraction form
    33,825.78/46,678.88 = 18,718.43/x
  3. Step 3: Cross multiply
    33,825.78x = 46,678.88 × 18,718.43
  4. Step 4: Simplify right side
    33,825.78x = 873,755,417.66
  5. Step 5: Solve for x
    x = 873,755,417.66/33,825.78
  6. Step 6: Final answer
    x = 25,831.05

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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.