Home / 33,781.25-46,617.44-18,674.55

Finding the Fourth Proportional to 33,781.25, 46,617.44 and 18,674.55

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Solution

The fourth proportional to 33,781.25, 46,617.44 and 18,674.55 is: 25,770.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,781.25 : 46,617.44 = 18,674.55 : x
  2. Step 2: Convert to fraction form
    33,781.25/46,617.44 = 18,674.55/x
  3. Step 3: Cross multiply
    33,781.25x = 46,617.44 × 18,674.55
  4. Step 4: Simplify right side
    33,781.25x = 870,559,387.69
  5. Step 5: Solve for x
    x = 870,559,387.69/33,781.25
  6. Step 6: Final answer
    x = 25,770.49

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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.