Home / 33,307.62-45,942.75-21,352.02

Finding the Fourth Proportional to 33,307.62, 45,942.75 and 21,352.02

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Solution

The fourth proportional to 33,307.62, 45,942.75 and 21,352.02 is: 29,451.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,307.62 : 45,942.75 = 21,352.02 : x
  2. Step 2: Convert to fraction form
    33,307.62/45,942.75 = 21,352.02/x
  3. Step 3: Cross multiply
    33,307.62x = 45,942.75 × 21,352.02
  4. Step 4: Simplify right side
    33,307.62x = 980,970,516.86
  5. Step 5: Solve for x
    x = 980,970,516.86/33,307.62
  6. Step 6: Final answer
    x = 29,451.83

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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.