Home / 33,622.60-46,398-18,515.20

Finding the Fourth Proportional to 33,622.60, 46,398 and 18,515.20

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Solution

The fourth proportional to 33,622.60, 46,398 and 18,515.20 is: 25,550.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,622.60 : 46,398 = 18,515.20 : x
  2. Step 2: Convert to fraction form
    33,622.60/46,398 = 18,515.20/x
  3. Step 3: Cross multiply
    33,622.60x = 46,398 × 18,515.20
  4. Step 4: Simplify right side
    33,622.60x = 859,068,249.60
  5. Step 5: Solve for x
    x = 859,068,249.60/33,622.60
  6. Step 6: Final answer
    x = 25,550.32

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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.