Home / 29,376.56-40,540.56-16,805.36

Finding the Fourth Proportional to 29,376.56, 40,540.56 and 16,805.36

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Solution

The fourth proportional to 29,376.56, 40,540.56 and 16,805.36 is: 23,191.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,376.56 : 40,540.56 = 16,805.36 : x
  2. Step 2: Convert to fraction form
    29,376.56/40,540.56 = 16,805.36/x
  3. Step 3: Cross multiply
    29,376.56x = 40,540.56 × 16,805.36
  4. Step 4: Simplify right side
    29,376.56x = 681,298,705.40
  5. Step 5: Solve for x
    x = 681,298,705.40/29,376.56
  6. Step 6: Final answer
    x = 23,191.92

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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.