Home / 33,780.94-46,613.66-18,671.56

Finding the Fourth Proportional to 33,780.94, 46,613.66 and 18,671.56

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Solution

The fourth proportional to 33,780.94, 46,613.66 and 18,671.56 is: 25,764.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,780.94 : 46,613.66 = 18,671.56 : x
  2. Step 2: Convert to fraction form
    33,780.94/46,613.66 = 18,671.56/x
  3. Step 3: Cross multiply
    33,780.94x = 46,613.66 × 18,671.56
  4. Step 4: Simplify right side
    33,780.94x = 870,349,539.62
  5. Step 5: Solve for x
    x = 870,349,539.62/33,780.94
  6. Step 6: Final answer
    x = 25,764.52

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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.