Home / 37,119.80-55,672.14-13,740.68

Finding the Fourth Proportional to 37,119.80, 55,672.14 and 13,740.68

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Solution

The fourth proportional to 37,119.80, 55,672.14 and 13,740.68 is: 20,608.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,119.80 : 55,672.14 = 13,740.68 : x
  2. Step 2: Convert to fraction form
    37,119.80/55,672.14 = 13,740.68/x
  3. Step 3: Cross multiply
    37,119.80x = 55,672.14 × 13,740.68
  4. Step 4: Simplify right side
    37,119.80x = 764,973,060.66
  5. Step 5: Solve for x
    x = 764,973,060.66/37,119.80
  6. Step 6: Final answer
    x = 20,608.22

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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.