Home / 51,946.89-71,688.81-29,286.73

Finding the Fourth Proportional to 51,946.89, 71,688.81 and 29,286.73

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Solution

The fourth proportional to 51,946.89, 71,688.81 and 29,286.73 is: 40,416.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,946.89 : 71,688.81 = 29,286.73 : x
  2. Step 2: Convert to fraction form
    51,946.89/71,688.81 = 29,286.73/x
  3. Step 3: Cross multiply
    51,946.89x = 71,688.81 × 29,286.73
  4. Step 4: Simplify right side
    51,946.89x = 2,099,530,822.49
  5. Step 5: Solve for x
    x = 2,099,530,822.49/51,946.89
  6. Step 6: Final answer
    x = 40,416.87

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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.