Home / 55,231.88-76,219.99-30,081.38

Finding the Fourth Proportional to 55,231.88, 76,219.99 and 30,081.38

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Solution

The fourth proportional to 55,231.88, 76,219.99 and 30,081.38 is: 41,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,231.88 : 76,219.99 = 30,081.38 : x
  2. Step 2: Convert to fraction form
    55,231.88/76,219.99 = 30,081.38/x
  3. Step 3: Cross multiply
    55,231.88x = 76,219.99 × 30,081.38
  4. Step 4: Simplify right side
    55,231.88x = 2,292,802,026.48
  5. Step 5: Solve for x
    x = 2,292,802,026.48/55,231.88
  6. Step 6: Final answer
    x = 41,512.30

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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.