Home / 53,205.42-79,789.77-18,136.74

Finding the Fourth Proportional to 53,205.42, 79,789.77 and 18,136.74

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Solution

The fourth proportional to 53,205.42, 79,789.77 and 18,136.74 is: 27,198.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,205.42 : 79,789.77 = 18,136.74 : x
  2. Step 2: Convert to fraction form
    53,205.42/79,789.77 = 18,136.74/x
  3. Step 3: Cross multiply
    53,205.42x = 79,789.77 × 18,136.74
  4. Step 4: Simplify right side
    53,205.42x = 1,447,126,313.15
  5. Step 5: Solve for x
    x = 1,447,126,313.15/53,205.42
  6. Step 6: Final answer
    x = 27,198.85

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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.