Home / 33,385.80-46,072.94-18,278.20

Finding the Fourth Proportional to 33,385.80, 46,072.94 and 18,278.20

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Solution

The fourth proportional to 33,385.80, 46,072.94 and 18,278.20 is: 25,224.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,385.80 : 46,072.94 = 18,278.20 : x
  2. Step 2: Convert to fraction form
    33,385.80/46,072.94 = 18,278.20/x
  3. Step 3: Cross multiply
    33,385.80x = 46,072.94 × 18,278.20
  4. Step 4: Simplify right side
    33,385.80x = 842,130,411.91
  5. Step 5: Solve for x
    x = 842,130,411.91/33,385.80
  6. Step 6: Final answer
    x = 25,224.21

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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.