Home / 68,344.71-102,516.45-21,597.60

Finding the Fourth Proportional to 68,344.71, 102,516.45 and 21,597.60

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Solution

The fourth proportional to 68,344.71, 102,516.45 and 21,597.60 is: 32,396.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,344.71 : 102,516.45 = 21,597.60 : x
  2. Step 2: Convert to fraction form
    68,344.71/102,516.45 = 21,597.60/x
  3. Step 3: Cross multiply
    68,344.71x = 102,516.45 × 21,597.60
  4. Step 4: Simplify right side
    68,344.71x = 2,214,109,280.52
  5. Step 5: Solve for x
    x = 2,214,109,280.52/68,344.71
  6. Step 6: Final answer
    x = 32,396.21

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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.