Home / 55,211.88-82,806.20-17,775.30

Finding the Fourth Proportional to 55,211.88, 82,806.20 and 17,775.30

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Solution

The fourth proportional to 55,211.88, 82,806.20 and 17,775.30 is: 26,659.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,211.88 : 82,806.20 = 17,775.30 : x
  2. Step 2: Convert to fraction form
    55,211.88/82,806.20 = 17,775.30/x
  3. Step 3: Cross multiply
    55,211.88x = 82,806.20 × 17,775.30
  4. Step 4: Simplify right side
    55,211.88x = 1,471,905,046.86
  5. Step 5: Solve for x
    x = 1,471,905,046.86/55,211.88
  6. Step 6: Final answer
    x = 26,659.21

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1.5x scale

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.