Home / 33,640.20-46,409.22-19,487.88

Finding the Fourth Proportional to 33,640.20, 46,409.22 and 19,487.88

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Solution

The fourth proportional to 33,640.20, 46,409.22 and 19,487.88 is: 26,885.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,640.20 : 46,409.22 = 19,487.88 : x
  2. Step 2: Convert to fraction form
    33,640.20/46,409.22 = 19,487.88/x
  3. Step 3: Cross multiply
    33,640.20x = 46,409.22 × 19,487.88
  4. Step 4: Simplify right side
    33,640.20x = 904,417,310.25
  5. Step 5: Solve for x
    x = 904,417,310.25/33,640.20
  6. Step 6: Final answer
    x = 26,885.02

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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.