Home / 37,128.60-55,699.14-18,409.56

Finding the Fourth Proportional to 37,128.60, 55,699.14 and 18,409.56

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Solution

The fourth proportional to 37,128.60, 55,699.14 and 18,409.56 is: 27,617.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,128.60 : 55,699.14 = 18,409.56 : x
  2. Step 2: Convert to fraction form
    37,128.60/55,699.14 = 18,409.56/x
  3. Step 3: Cross multiply
    37,128.60x = 55,699.14 × 18,409.56
  4. Step 4: Simplify right side
    37,128.60x = 1,025,396,659.78
  5. Step 5: Solve for x
    x = 1,025,396,659.78/37,128.60
  6. Step 6: Final answer
    x = 27,617.43

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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.