Home / 33,070.53-45,632.55-18,920.73

Finding the Fourth Proportional to 33,070.53, 45,632.55 and 18,920.73

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Solution

The fourth proportional to 33,070.53, 45,632.55 and 18,920.73 is: 26,107.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,070.53 : 45,632.55 = 18,920.73 : x
  2. Step 2: Convert to fraction form
    33,070.53/45,632.55 = 18,920.73/x
  3. Step 3: Cross multiply
    33,070.53x = 45,632.55 × 18,920.73
  4. Step 4: Simplify right side
    33,070.53x = 863,401,063.16
  5. Step 5: Solve for x
    x = 863,401,063.16/33,070.53
  6. Step 6: Final answer
    x = 26,107.87

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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.