Home / 52,757.27-79,136.42-20,739.59

Finding the Fourth Proportional to 52,757.27, 79,136.42 and 20,739.59

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Solution

The fourth proportional to 52,757.27, 79,136.42 and 20,739.59 is: 31,109.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,757.27 : 79,136.42 = 20,739.59 : x
  2. Step 2: Convert to fraction form
    52,757.27/79,136.42 = 20,739.59/x
  3. Step 3: Cross multiply
    52,757.27x = 79,136.42 × 20,739.59
  4. Step 4: Simplify right side
    52,757.27x = 1,641,257,336.96
  5. Step 5: Solve for x
    x = 1,641,257,336.96/52,757.27
  6. Step 6: Final answer
    x = 31,109.59

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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.