Home / 29,080.38-43,642.30-11,313.84

Finding the Fourth Proportional to 29,080.38, 43,642.30 and 11,313.84

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Solution

The fourth proportional to 29,080.38, 43,642.30 and 11,313.84 is: 16,979.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,080.38 : 43,642.30 = 11,313.84 : x
  2. Step 2: Convert to fraction form
    29,080.38/43,642.30 = 11,313.84/x
  3. Step 3: Cross multiply
    29,080.38x = 43,642.30 × 11,313.84
  4. Step 4: Simplify right side
    29,080.38x = 493,761,999.43
  5. Step 5: Solve for x
    x = 493,761,999.43/29,080.38
  6. Step 6: Final answer
    x = 16,979.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.