Home / 33,920.04-46,805.20-18,812.56

Finding the Fourth Proportional to 33,920.04, 46,805.20 and 18,812.56

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Solution

The fourth proportional to 33,920.04, 46,805.20 and 18,812.56 is: 25,958.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,920.04 : 46,805.20 = 18,812.56 : x
  2. Step 2: Convert to fraction form
    33,920.04/46,805.20 = 18,812.56/x
  3. Step 3: Cross multiply
    33,920.04x = 46,805.20 × 18,812.56
  4. Step 4: Simplify right side
    33,920.04x = 880,525,633.31
  5. Step 5: Solve for x
    x = 880,525,633.31/33,920.04
  6. Step 6: Final answer
    x = 25,958.86

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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.