Home / 37,148.61-55,720.96-12,185.37

Finding the Fourth Proportional to 37,148.61, 55,720.96 and 12,185.37

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Solution

The fourth proportional to 37,148.61, 55,720.96 and 12,185.37 is: 18,277.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,148.61 : 55,720.96 = 12,185.37 : x
  2. Step 2: Convert to fraction form
    37,148.61/55,720.96 = 12,185.37/x
  3. Step 3: Cross multiply
    37,148.61x = 55,720.96 × 12,185.37
  4. Step 4: Simplify right side
    37,148.61x = 678,980,514.36
  5. Step 5: Solve for x
    x = 678,980,514.36/37,148.61
  6. Step 6: Final answer
    x = 18,277.41

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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.