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Finding the Fourth Proportional to 29,495.21, 40,696.16 and 18,016.16

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Solution

The fourth proportional to 29,495.21, 40,696.16 and 18,016.16 is: 24,857.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,495.21 : 40,696.16 = 18,016.16 : x
  2. Step 2: Convert to fraction form
    29,495.21/40,696.16 = 18,016.16/x
  3. Step 3: Cross multiply
    29,495.21x = 40,696.16 × 18,016.16
  4. Step 4: Simplify right side
    29,495.21x = 733,188,236.38
  5. Step 5: Solve for x
    x = 733,188,236.38/29,495.21
  6. Step 6: Final answer
    x = 24,857.88

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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.