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Finding the Fourth Proportional to 63,604.53, 87,774.30 and 35,310.42

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Solution

The fourth proportional to 63,604.53, 87,774.30 and 35,310.42 is: 48,728.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,604.53 : 87,774.30 = 35,310.42 : x
  2. Step 2: Convert to fraction form
    63,604.53/87,774.30 = 35,310.42/x
  3. Step 3: Cross multiply
    63,604.53x = 87,774.30 × 35,310.42
  4. Step 4: Simplify right side
    63,604.53x = 3,099,347,398.21
  5. Step 5: Solve for x
    x = 3,099,347,398.21/63,604.53
  6. Step 6: Final answer
    x = 48,728.41

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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.