Home / 20,559.88-30,839.82-5,770.36

Finding the Fourth Proportional to 20,559.88, 30,839.82 and 5,770.36

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Solution

The fourth proportional to 20,559.88, 30,839.82 and 5,770.36 is: 8,655.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,559.88 : 30,839.82 = 5,770.36 : x
  2. Step 2: Convert to fraction form
    20,559.88/30,839.82 = 5,770.36/x
  3. Step 3: Cross multiply
    20,559.88x = 30,839.82 × 5,770.36
  4. Step 4: Simplify right side
    20,559.88x = 177,956,863.74
  5. Step 5: Solve for x
    x = 177,956,863.74/20,559.88
  6. Step 6: Final answer
    x = 8,655.54

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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.