Home / 55,284.26-82,867.26-31,540.64

Finding the Fourth Proportional to 55,284.26, 82,867.26 and 31,540.64

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Solution

The fourth proportional to 55,284.26, 82,867.26 and 31,540.64 is: 47,277.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,284.26 : 82,867.26 = 31,540.64 : x
  2. Step 2: Convert to fraction form
    55,284.26/82,867.26 = 31,540.64/x
  3. Step 3: Cross multiply
    55,284.26x = 82,867.26 × 31,540.64
  4. Step 4: Simplify right side
    55,284.26x = 2,613,686,415.45
  5. Step 5: Solve for x
    x = 2,613,686,415.45/55,284.26
  6. Step 6: Final answer
    x = 47,277.23

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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.