Home / 33,887.70-46,760.96-18,780.55

Finding the Fourth Proportional to 33,887.70, 46,760.96 and 18,780.55

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Solution

The fourth proportional to 33,887.70, 46,760.96 and 18,780.55 is: 25,914.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,887.70 : 46,760.96 = 18,780.55 : x
  2. Step 2: Convert to fraction form
    33,887.70/46,760.96 = 18,780.55/x
  3. Step 3: Cross multiply
    33,887.70x = 46,760.96 × 18,780.55
  4. Step 4: Simplify right side
    33,887.70x = 878,196,547.33
  5. Step 5: Solve for x
    x = 878,196,547.33/33,887.70
  6. Step 6: Final answer
    x = 25,914.91

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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.