Home / 55,240.25-76,231.64-30,089.75

Finding the Fourth Proportional to 55,240.25, 76,231.64 and 30,089.75

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Solution

The fourth proportional to 55,240.25, 76,231.64 and 30,089.75 is: 41,523.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,240.25 : 76,231.64 = 30,089.75 : x
  2. Step 2: Convert to fraction form
    55,240.25/76,231.64 = 30,089.75/x
  3. Step 3: Cross multiply
    55,240.25x = 76,231.64 × 30,089.75
  4. Step 4: Simplify right side
    55,240.25x = 2,293,790,839.24
  5. Step 5: Solve for x
    x = 2,293,790,839.24/55,240.25
  6. Step 6: Final answer
    x = 41,523.90

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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.