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Finding the Fourth Proportional to 63,733.60, 87,940.83 and 36,138.34

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Solution

The fourth proportional to 63,733.60, 87,940.83 and 36,138.34 is: 49,864.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,733.60 : 87,940.83 = 36,138.34 : x
  2. Step 2: Convert to fraction form
    63,733.60/87,940.83 = 36,138.34/x
  3. Step 3: Cross multiply
    63,733.60x = 87,940.83 × 36,138.34
  4. Step 4: Simplify right side
    63,733.60x = 3,178,035,614.42
  5. Step 5: Solve for x
    x = 3,178,035,614.42/63,733.60
  6. Step 6: Final answer
    x = 49,864.37

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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.