Home / 37,110.72-55,675.80-18,390

Finding the Fourth Proportional to 37,110.72, 55,675.80 and 18,390

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Solution

The fourth proportional to 37,110.72, 55,675.80 and 18,390 is: 27,589.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,110.72 : 55,675.80 = 18,390 : x
  2. Step 2: Convert to fraction form
    37,110.72/55,675.80 = 18,390/x
  3. Step 3: Cross multiply
    37,110.72x = 55,675.80 × 18,390
  4. Step 4: Simplify right side
    37,110.72x = 1,023,877,962
  5. Step 5: Solve for x
    x = 1,023,877,962/37,110.72
  6. Step 6: Final answer
    x = 27,589.82

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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.