Home / 33,685.20-46,486.32-18,578.31

Finding the Fourth Proportional to 33,685.20, 46,486.32 and 18,578.31

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Solution

The fourth proportional to 33,685.20, 46,486.32 and 18,578.31 is: 25,638.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,685.20 : 46,486.32 = 18,578.31 : x
  2. Step 2: Convert to fraction form
    33,685.20/46,486.32 = 18,578.31/x
  3. Step 3: Cross multiply
    33,685.20x = 46,486.32 × 18,578.31
  4. Step 4: Simplify right side
    33,685.20x = 863,637,263.72
  5. Step 5: Solve for x
    x = 863,637,263.72/33,685.20
  6. Step 6: Final answer
    x = 25,638.48

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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.