Home / 33,531.78-46,274.62-18,425.38

Finding the Fourth Proportional to 33,531.78, 46,274.62 and 18,425.38

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Solution

The fourth proportional to 33,531.78, 46,274.62 and 18,425.38 is: 25,427.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,531.78 : 46,274.62 = 18,425.38 : x
  2. Step 2: Convert to fraction form
    33,531.78/46,274.62 = 18,425.38/x
  3. Step 3: Cross multiply
    33,531.78x = 46,274.62 × 18,425.38
  4. Step 4: Simplify right side
    33,531.78x = 852,627,457.86
  5. Step 5: Solve for x
    x = 852,627,457.86/33,531.78
  6. Step 6: Final answer
    x = 25,427.44

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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.