Home / 36,431.51-54,679.79-18,674.25

Finding the Fourth Proportional to 36,431.51, 54,679.79 and 18,674.25

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Solution

The fourth proportional to 36,431.51, 54,679.79 and 18,674.25 is: 28,028.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,431.51 : 54,679.79 = 18,674.25 : x
  2. Step 2: Convert to fraction form
    36,431.51/54,679.79 = 18,674.25/x
  3. Step 3: Cross multiply
    36,431.51x = 54,679.79 × 18,674.25
  4. Step 4: Simplify right side
    36,431.51x = 1,021,103,910.04
  5. Step 5: Solve for x
    x = 1,021,103,910.04/36,431.51
  6. Step 6: Final answer
    x = 28,028.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.