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Finding the Fourth Proportional to 63,245.94, 87,282.78 and 36,392.55

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Solution

The fourth proportional to 63,245.94, 87,282.78 and 36,392.55 is: 50,223.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,245.94 : 87,282.78 = 36,392.55 : x
  2. Step 2: Convert to fraction form
    63,245.94/87,282.78 = 36,392.55/x
  3. Step 3: Cross multiply
    63,245.94x = 87,282.78 × 36,392.55
  4. Step 4: Simplify right side
    63,245.94x = 3,176,442,935.29
  5. Step 5: Solve for x
    x = 3,176,442,935.29/63,245.94
  6. Step 6: Final answer
    x = 50,223.67

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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.