Home / 35,783.05-49,379.66-19,867.09

Finding the Fourth Proportional to 35,783.05, 49,379.66 and 19,867.09

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Solution

The fourth proportional to 35,783.05, 49,379.66 and 19,867.09 is: 27,416.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,783.05 : 49,379.66 = 19,867.09 : x
  2. Step 2: Convert to fraction form
    35,783.05/49,379.66 = 19,867.09/x
  3. Step 3: Cross multiply
    35,783.05x = 49,379.66 × 19,867.09
  4. Step 4: Simplify right side
    35,783.05x = 981,029,952.16
  5. Step 5: Solve for x
    x = 981,029,952.16/35,783.05
  6. Step 6: Final answer
    x = 27,416.06

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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.