Home / 20,548.69-30,824.82-5,757.79

Finding the Fourth Proportional to 20,548.69, 30,824.82 and 5,757.79

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Solution

The fourth proportional to 20,548.69, 30,824.82 and 5,757.79 is: 8,637.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548.69 : 30,824.82 = 5,757.79 : x
  2. Step 2: Convert to fraction form
    20,548.69/30,824.82 = 5,757.79/x
  3. Step 3: Cross multiply
    20,548.69x = 30,824.82 × 5,757.79
  4. Step 4: Simplify right side
    20,548.69x = 177,482,840.35
  5. Step 5: Solve for x
    x = 177,482,840.35/20,548.69
  6. Step 6: Final answer
    x = 8,637.19

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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.