Home / 33,172.80-45,778.08-18,065.28

Finding the Fourth Proportional to 33,172.80, 45,778.08 and 18,065.28

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Solution

The fourth proportional to 33,172.80, 45,778.08 and 18,065.28 is: 24,929.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,172.80 : 45,778.08 = 18,065.28 : x
  2. Step 2: Convert to fraction form
    33,172.80/45,778.08 = 18,065.28/x
  3. Step 3: Cross multiply
    33,172.80x = 45,778.08 × 18,065.28
  4. Step 4: Simplify right side
    33,172.80x = 826,993,833.06
  5. Step 5: Solve for x
    x = 826,993,833.06/33,172.80
  6. Step 6: Final answer
    x = 24,929.88

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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.