Home / 33,780.04-46,613.98-18,671.86

Finding the Fourth Proportional to 33,780.04, 46,613.98 and 18,671.86

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Solution

The fourth proportional to 33,780.04, 46,613.98 and 18,671.86 is: 25,765.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,780.04 : 46,613.98 = 18,671.86 : x
  2. Step 2: Convert to fraction form
    33,780.04/46,613.98 = 18,671.86/x
  3. Step 3: Cross multiply
    33,780.04x = 46,613.98 × 18,671.86
  4. Step 4: Simplify right side
    33,780.04x = 870,369,708.60
  5. Step 5: Solve for x
    x = 870,369,708.60/33,780.04
  6. Step 6: Final answer
    x = 25,765.80

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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.