Home / 55,231.84-76,219.94-30,081.34

Finding the Fourth Proportional to 55,231.84, 76,219.94 and 30,081.34

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Solution

The fourth proportional to 55,231.84, 76,219.94 and 30,081.34 is: 41,512.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,231.84 : 76,219.94 = 30,081.34 : x
  2. Step 2: Convert to fraction form
    55,231.84/76,219.94 = 30,081.34/x
  3. Step 3: Cross multiply
    55,231.84x = 76,219.94 × 30,081.34
  4. Step 4: Simplify right side
    55,231.84x = 2,292,797,929.92
  5. Step 5: Solve for x
    x = 2,292,797,929.92/55,231.84
  6. Step 6: Final answer
    x = 41,512.25

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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.