Home / 51,179.88-76,720.50-26,231.64

Finding the Fourth Proportional to 51,179.88, 76,720.50 and 26,231.64

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Solution

The fourth proportional to 51,179.88, 76,720.50 and 26,231.64 is: 39,322.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,179.88 : 76,720.50 = 26,231.64 : x
  2. Step 2: Convert to fraction form
    51,179.88/76,720.50 = 26,231.64/x
  3. Step 3: Cross multiply
    51,179.88x = 76,720.50 × 26,231.64
  4. Step 4: Simplify right side
    51,179.88x = 2,012,504,536.62
  5. Step 5: Solve for x
    x = 2,012,504,536.62/51,179.88
  6. Step 6: Final answer
    x = 39,322.18

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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.