Home / 29,383.40-40,517.70-20,883.26

Finding the Fourth Proportional to 29,383.40, 40,517.70 and 20,883.26

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Solution

The fourth proportional to 29,383.40, 40,517.70 and 20,883.26 is: 28,796.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,383.40 : 40,517.70 = 20,883.26 : x
  2. Step 2: Convert to fraction form
    29,383.40/40,517.70 = 20,883.26/x
  3. Step 3: Cross multiply
    29,383.40x = 40,517.70 × 20,883.26
  4. Step 4: Simplify right side
    29,383.40x = 846,141,663.70
  5. Step 5: Solve for x
    x = 846,141,663.70/29,383.40
  6. Step 6: Final answer
    x = 28,796.59

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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.