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Finding the Fourth Proportional to 63,673.47, 87,859.62 and 36,810.81

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Solution

The fourth proportional to 63,673.47, 87,859.62 and 36,810.81 is: 50,793.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,673.47 : 87,859.62 = 36,810.81 : x
  2. Step 2: Convert to fraction form
    63,673.47/87,859.62 = 36,810.81/x
  3. Step 3: Cross multiply
    63,673.47x = 87,859.62 × 36,810.81
  4. Step 4: Simplify right side
    63,673.47x = 3,234,183,778.49
  5. Step 5: Solve for x
    x = 3,234,183,778.49/63,673.47
  6. Step 6: Final answer
    x = 50,793.27

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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.