Home / 36,668.11-54,983.58-17,920.12

Finding the Fourth Proportional to 36,668.11, 54,983.58 and 17,920.12

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Solution

The fourth proportional to 36,668.11, 54,983.58 and 17,920.12 is: 26,871.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,668.11 : 54,983.58 = 17,920.12 : x
  2. Step 2: Convert to fraction form
    36,668.11/54,983.58 = 17,920.12/x
  3. Step 3: Cross multiply
    36,668.11x = 54,983.58 × 17,920.12
  4. Step 4: Simplify right side
    36,668.11x = 985,312,351.63
  5. Step 5: Solve for x
    x = 985,312,351.63/36,668.11
  6. Step 6: Final answer
    x = 26,871.10

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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.