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Finding the Fourth Proportional to 68,530.32, 102,797.64 and 18,610.29

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Solution

The fourth proportional to 68,530.32, 102,797.64 and 18,610.29 is: 27,916.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,530.32 : 102,797.64 = 18,610.29 : x
  2. Step 2: Convert to fraction form
    68,530.32/102,797.64 = 18,610.29/x
  3. Step 3: Cross multiply
    68,530.32x = 102,797.64 × 18,610.29
  4. Step 4: Simplify right side
    68,530.32x = 1,913,093,891.72
  5. Step 5: Solve for x
    x = 1,913,093,891.72/68,530.32
  6. Step 6: Final answer
    x = 27,916.02

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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.