Home / 33,636.48-46,419.20-18,732.80

Finding the Fourth Proportional to 33,636.48, 46,419.20 and 18,732.80

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Solution

The fourth proportional to 33,636.48, 46,419.20 and 18,732.80 is: 25,851.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,636.48 : 46,419.20 = 18,732.80 : x
  2. Step 2: Convert to fraction form
    33,636.48/46,419.20 = 18,732.80/x
  3. Step 3: Cross multiply
    33,636.48x = 46,419.20 × 18,732.80
  4. Step 4: Simplify right side
    33,636.48x = 869,561,589.76
  5. Step 5: Solve for x
    x = 869,561,589.76/33,636.48
  6. Step 6: Final answer
    x = 25,851.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.