Home / 36,100.99-54,132.12-20,095.57

Finding the Fourth Proportional to 36,100.99, 54,132.12 and 20,095.57

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Solution

The fourth proportional to 36,100.99, 54,132.12 and 20,095.57 is: 30,132.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,100.99 : 54,132.12 = 20,095.57 : x
  2. Step 2: Convert to fraction form
    36,100.99/54,132.12 = 20,095.57/x
  3. Step 3: Cross multiply
    36,100.99x = 54,132.12 × 20,095.57
  4. Step 4: Simplify right side
    36,100.99x = 1,087,815,778.65
  5. Step 5: Solve for x
    x = 1,087,815,778.65/36,100.99
  6. Step 6: Final answer
    x = 30,132.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.