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Finding the Fourth Proportional to 63,859.64, 95,793.96 and 18,880.52

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Solution

The fourth proportional to 63,859.64, 95,793.96 and 18,880.52 is: 28,322.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,859.64 : 95,793.96 = 18,880.52 : x
  2. Step 2: Convert to fraction form
    63,859.64/95,793.96 = 18,880.52/x
  3. Step 3: Cross multiply
    63,859.64x = 95,793.96 × 18,880.52
  4. Step 4: Simplify right side
    63,859.64x = 1,808,639,777.66
  5. Step 5: Solve for x
    x = 1,808,639,777.66/63,859.64
  6. Step 6: Final answer
    x = 28,322.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.