Home / 36,972.84-51,022.68-20,205.84

Finding the Fourth Proportional to 36,972.84, 51,022.68 and 20,205.84

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Solution

The fourth proportional to 36,972.84, 51,022.68 and 20,205.84 is: 27,884.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,972.84 : 51,022.68 = 20,205.84 : x
  2. Step 2: Convert to fraction form
    36,972.84/51,022.68 = 20,205.84/x
  3. Step 3: Cross multiply
    36,972.84x = 51,022.68 × 20,205.84
  4. Step 4: Simplify right side
    36,972.84x = 1,030,956,108.45
  5. Step 5: Solve for x
    x = 1,030,956,108.45/36,972.84
  6. Step 6: Final answer
    x = 27,884.15

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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.