Home / 36,022.89-49,706.46-20,106.99

Finding the Fourth Proportional to 36,022.89, 49,706.46 and 20,106.99

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Solution

The fourth proportional to 36,022.89, 49,706.46 and 20,106.99 is: 27,744.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,022.89 : 49,706.46 = 20,106.99 : x
  2. Step 2: Convert to fraction form
    36,022.89/49,706.46 = 20,106.99/x
  3. Step 3: Cross multiply
    36,022.89x = 49,706.46 × 20,106.99
  4. Step 4: Simplify right side
    36,022.89x = 999,447,294.16
  5. Step 5: Solve for x
    x = 999,447,294.16/36,022.89
  6. Step 6: Final answer
    x = 27,744.78

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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.