Home / 29,942.68-41,318.76-18,628.60

Finding the Fourth Proportional to 29,942.68, 41,318.76 and 18,628.60

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Solution

The fourth proportional to 29,942.68, 41,318.76 and 18,628.60 is: 25,706.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,942.68 : 41,318.76 = 18,628.60 : x
  2. Step 2: Convert to fraction form
    29,942.68/41,318.76 = 18,628.60/x
  3. Step 3: Cross multiply
    29,942.68x = 41,318.76 × 18,628.60
  4. Step 4: Simplify right side
    29,942.68x = 769,710,652.54
  5. Step 5: Solve for x
    x = 769,710,652.54/29,942.68
  6. Step 6: Final answer
    x = 25,706.14

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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.