Home / 36,033.09-49,723.59-20,118.55

Finding the Fourth Proportional to 36,033.09, 49,723.59 and 20,118.55

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Solution

The fourth proportional to 36,033.09, 49,723.59 and 20,118.55 is: 27,762.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,033.09 : 49,723.59 = 20,118.55 : x
  2. Step 2: Convert to fraction form
    36,033.09/49,723.59 = 20,118.55/x
  3. Step 3: Cross multiply
    36,033.09x = 49,723.59 × 20,118.55
  4. Step 4: Simplify right side
    36,033.09x = 1,000,366,531.59
  5. Step 5: Solve for x
    x = 1,000,366,531.59/36,033.09
  6. Step 6: Final answer
    x = 27,762.44

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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.