Home / 37,148.62-55,720.96-12,185.38

Finding the Fourth Proportional to 37,148.62, 55,720.96 and 12,185.38

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Solution

The fourth proportional to 37,148.62, 55,720.96 and 12,185.38 is: 18,277.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,148.62 : 55,720.96 = 12,185.38 : x
  2. Step 2: Convert to fraction form
    37,148.62/55,720.96 = 12,185.38/x
  3. Step 3: Cross multiply
    37,148.62x = 55,720.96 × 12,185.38
  4. Step 4: Simplify right side
    37,148.62x = 678,980,792.96
  5. Step 5: Solve for x
    x = 678,980,792.96/37,148.62
  6. Step 6: Final answer
    x = 18,277.42

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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.