Home / 55,255.06-82,883.16-30,281.50

Finding the Fourth Proportional to 55,255.06, 82,883.16 and 30,281.50

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Solution

The fourth proportional to 55,255.06, 82,883.16 and 30,281.50 is: 45,422.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,255.06 : 82,883.16 = 30,281.50 : x
  2. Step 2: Convert to fraction form
    55,255.06/82,883.16 = 30,281.50/x
  3. Step 3: Cross multiply
    55,255.06x = 82,883.16 × 30,281.50
  4. Step 4: Simplify right side
    55,255.06x = 2,509,826,409.54
  5. Step 5: Solve for x
    x = 2,509,826,409.54/55,255.06
  6. Step 6: Final answer
    x = 45,422.56

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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.