Home / 55,309.06-82,961.73-30,360.85

Finding the Fourth Proportional to 55,309.06, 82,961.73 and 30,360.85

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Solution

The fourth proportional to 55,309.06, 82,961.73 and 30,360.85 is: 45,540.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,309.06 : 82,961.73 = 30,360.85 : x
  2. Step 2: Convert to fraction form
    55,309.06/82,961.73 = 30,360.85/x
  3. Step 3: Cross multiply
    55,309.06x = 82,961.73 × 30,360.85
  4. Step 4: Simplify right side
    55,309.06x = 2,518,788,640.27
  5. Step 5: Solve for x
    x = 2,518,788,640.27/55,309.06
  6. Step 6: Final answer
    x = 45,540.25

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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.