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Finding the Fourth Proportional to 63,380.76, 87,466.14 and 35,086.92

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Solution

The fourth proportional to 63,380.76, 87,466.14 and 35,086.92 is: 48,420.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,380.76 : 87,466.14 = 35,086.92 : x
  2. Step 2: Convert to fraction form
    63,380.76/87,466.14 = 35,086.92/x
  3. Step 3: Cross multiply
    63,380.76x = 87,466.14 × 35,086.92
  4. Step 4: Simplify right side
    63,380.76x = 3,068,917,456.89
  5. Step 5: Solve for x
    x = 3,068,917,456.89/63,380.76
  6. Step 6: Final answer
    x = 48,420.33

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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.