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Finding the Fourth Proportional to 68,344.96, 102,516.80 and 21,597.84

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Solution

The fourth proportional to 68,344.96, 102,516.80 and 21,597.84 is: 32,396.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,344.96 : 102,516.80 = 21,597.84 : x
  2. Step 2: Convert to fraction form
    68,344.96/102,516.80 = 21,597.84/x
  3. Step 3: Cross multiply
    68,344.96x = 102,516.80 × 21,597.84
  4. Step 4: Simplify right side
    68,344.96x = 2,214,141,443.71
  5. Step 5: Solve for x
    x = 2,214,141,443.71/68,344.96
  6. Step 6: Final answer
    x = 32,396.56

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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.