Home / 39,986.64-55,190.24-27,270.14

Finding the Fourth Proportional to 39,986.64, 55,190.24 and 27,270.14

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Solution

The fourth proportional to 39,986.64, 55,190.24 and 27,270.14 is: 37,638.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,986.64 : 55,190.24 = 27,270.14 : x
  2. Step 2: Convert to fraction form
    39,986.64/55,190.24 = 27,270.14/x
  3. Step 3: Cross multiply
    39,986.64x = 55,190.24 × 27,270.14
  4. Step 4: Simplify right side
    39,986.64x = 1,505,045,650.37
  5. Step 5: Solve for x
    x = 1,505,045,650.37/39,986.64
  6. Step 6: Final answer
    x = 37,638.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.