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Finding the Fourth Proportional to 63,760.89, 95,600.31 and 30,480.21

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Solution

The fourth proportional to 63,760.89, 95,600.31 and 30,480.21 is: 45,700.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,760.89 : 95,600.31 = 30,480.21 : x
  2. Step 2: Convert to fraction form
    63,760.89/95,600.31 = 30,480.21/x
  3. Step 3: Cross multiply
    63,760.89x = 95,600.31 × 30,480.21
  4. Step 4: Simplify right side
    63,760.89x = 2,913,917,524.87
  5. Step 5: Solve for x
    x = 2,913,917,524.87/63,760.89
  6. Step 6: Final answer
    x = 45,700.70

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1.5x scale

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.