Home / 33,191.10-45,801.99-20,615.58

Finding the Fourth Proportional to 33,191.10, 45,801.99 and 20,615.58

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Solution

The fourth proportional to 33,191.10, 45,801.99 and 20,615.58 is: 28,448.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,191.10 : 45,801.99 = 20,615.58 : x
  2. Step 2: Convert to fraction form
    33,191.10/45,801.99 = 20,615.58/x
  3. Step 3: Cross multiply
    33,191.10x = 45,801.99 × 20,615.58
  4. Step 4: Simplify right side
    33,191.10x = 944,234,589.00
  5. Step 5: Solve for x
    x = 944,234,589.00/33,191.10
  6. Step 6: Final answer
    x = 28,448.43

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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.