Home / 55,540.80-83,318.40-27,475.20

Finding the Fourth Proportional to 55,540.80, 83,318.40 and 27,475.20

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Solution

The fourth proportional to 55,540.80, 83,318.40 and 27,475.20 is: 41,216.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,540.80 : 83,318.40 = 27,475.20 : x
  2. Step 2: Convert to fraction form
    55,540.80/83,318.40 = 27,475.20/x
  3. Step 3: Cross multiply
    55,540.80x = 83,318.40 × 27,475.20
  4. Step 4: Simplify right side
    55,540.80x = 2,289,189,703.68
  5. Step 5: Solve for x
    x = 2,289,189,703.68/55,540.80
  6. Step 6: Final answer
    x = 41,216.36

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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.