Home / 37,438.31-56,138.68-12,469.58

Finding the Fourth Proportional to 37,438.31, 56,138.68 and 12,469.58

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Solution

The fourth proportional to 37,438.31, 56,138.68 and 12,469.58 is: 18,698.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,438.31 : 56,138.68 = 12,469.58 : x
  2. Step 2: Convert to fraction form
    37,438.31/56,138.68 = 12,469.58/x
  3. Step 3: Cross multiply
    37,438.31x = 56,138.68 × 12,469.58
  4. Step 4: Simplify right side
    37,438.31x = 700,025,761.35
  5. Step 5: Solve for x
    x = 700,025,761.35/37,438.31
  6. Step 6: Final answer
    x = 18,698.11

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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.