Home / 33,919.89-46,808.80-18,812.48

Finding the Fourth Proportional to 33,919.89, 46,808.80 and 18,812.48

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Solution

The fourth proportional to 33,919.89, 46,808.80 and 18,812.48 is: 25,960.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,919.89 : 46,808.80 = 18,812.48 : x
  2. Step 2: Convert to fraction form
    33,919.89/46,808.80 = 18,812.48/x
  3. Step 3: Cross multiply
    33,919.89x = 46,808.80 × 18,812.48
  4. Step 4: Simplify right side
    33,919.89x = 880,589,613.82
  5. Step 5: Solve for x
    x = 880,589,613.82/33,919.89
  6. Step 6: Final answer
    x = 25,960.86

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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.