Home / 63,438.90-95,029.17-30,057.78

Finding the Fourth Proportional to 63,438.90, 95,029.17 and 30,057.78

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Solution

The fourth proportional to 63,438.90, 95,029.17 and 30,057.78 is: 45,025.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,438.90 : 95,029.17 = 30,057.78 : x
  2. Step 2: Convert to fraction form
    63,438.90/95,029.17 = 30,057.78/x
  3. Step 3: Cross multiply
    63,438.90x = 95,029.17 × 30,057.78
  4. Step 4: Simplify right side
    63,438.90x = 2,856,365,885.44
  5. Step 5: Solve for x
    x = 2,856,365,885.44/63,438.90
  6. Step 6: Final answer
    x = 45,025.46

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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.