Home / 55,232.06-76,220.22-30,081.56

Finding the Fourth Proportional to 55,232.06, 76,220.22 and 30,081.56

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Solution

The fourth proportional to 55,232.06, 76,220.22 and 30,081.56 is: 41,512.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,232.06 : 76,220.22 = 30,081.56 : x
  2. Step 2: Convert to fraction form
    55,232.06/76,220.22 = 30,081.56/x
  3. Step 3: Cross multiply
    55,232.06x = 76,220.22 × 30,081.56
  4. Step 4: Simplify right side
    55,232.06x = 2,292,823,121.14
  5. Step 5: Solve for x
    x = 2,292,823,121.14/55,232.06
  6. Step 6: Final answer
    x = 41,512.54

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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.