Home / 53,813.59-80,720.39-16,370.33

Finding the Fourth Proportional to 53,813.59, 80,720.39 and 16,370.33

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Solution

The fourth proportional to 53,813.59, 80,720.39 and 16,370.33 is: 24,555.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,813.59 : 80,720.39 = 16,370.33 : x
  2. Step 2: Convert to fraction form
    53,813.59/80,720.39 = 16,370.33/x
  3. Step 3: Cross multiply
    53,813.59x = 80,720.39 × 16,370.33
  4. Step 4: Simplify right side
    53,813.59x = 1,321,419,059.35
  5. Step 5: Solve for x
    x = 1,321,419,059.35/53,813.59
  6. Step 6: Final answer
    x = 24,555.49

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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.