Home / 36,066.84-54,100.32-12,687.84

Finding the Fourth Proportional to 36,066.84, 54,100.32 and 12,687.84

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Solution

The fourth proportional to 36,066.84, 54,100.32 and 12,687.84 is: 19,031.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,066.84 : 54,100.32 = 12,687.84 : x
  2. Step 2: Convert to fraction form
    36,066.84/54,100.32 = 12,687.84/x
  3. Step 3: Cross multiply
    36,066.84x = 54,100.32 × 12,687.84
  4. Step 4: Simplify right side
    36,066.84x = 686,416,204.11
  5. Step 5: Solve for x
    x = 686,416,204.11/36,066.84
  6. Step 6: Final answer
    x = 19,031.78

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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.