Home / 38,169.69-52,674.49-21,175.04

Finding the Fourth Proportional to 38,169.69, 52,674.49 and 21,175.04

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Solution

The fourth proportional to 38,169.69, 52,674.49 and 21,175.04 is: 29,221.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,169.69 : 52,674.49 = 21,175.04 : x
  2. Step 2: Convert to fraction form
    38,169.69/52,674.49 = 21,175.04/x
  3. Step 3: Cross multiply
    38,169.69x = 52,674.49 × 21,175.04
  4. Step 4: Simplify right side
    38,169.69x = 1,115,384,175.48
  5. Step 5: Solve for x
    x = 1,115,384,175.48/38,169.69
  6. Step 6: Final answer
    x = 29,221.73

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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.