Home / 36,212.68-54,301.21-15,146.40

Finding the Fourth Proportional to 36,212.68, 54,301.21 and 15,146.40

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Solution

The fourth proportional to 36,212.68, 54,301.21 and 15,146.40 is: 22,712.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,212.68 : 54,301.21 = 15,146.40 : x
  2. Step 2: Convert to fraction form
    36,212.68/54,301.21 = 15,146.40/x
  3. Step 3: Cross multiply
    36,212.68x = 54,301.21 × 15,146.40
  4. Step 4: Simplify right side
    36,212.68x = 822,467,847.14
  5. Step 5: Solve for x
    x = 822,467,847.14/36,212.68
  6. Step 6: Final answer
    x = 22,712.15

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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.