Home / 33,420.80-46,118.64-18,310.76

Finding the Fourth Proportional to 33,420.80, 46,118.64 and 18,310.76

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Solution

The fourth proportional to 33,420.80, 46,118.64 and 18,310.76 is: 25,267.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,420.80 : 46,118.64 = 18,310.76 : x
  2. Step 2: Convert to fraction form
    33,420.80/46,118.64 = 18,310.76/x
  3. Step 3: Cross multiply
    33,420.80x = 46,118.64 × 18,310.76
  4. Step 4: Simplify right side
    33,420.80x = 844,467,348.57
  5. Step 5: Solve for x
    x = 844,467,348.57/33,420.80
  6. Step 6: Final answer
    x = 25,267.72

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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.