Home / 36,636.80-54,955.61-11,676.65

Finding the Fourth Proportional to 36,636.80, 54,955.61 and 11,676.65

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Solution

The fourth proportional to 36,636.80, 54,955.61 and 11,676.65 is: 17,515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,636.80 : 54,955.61 = 11,676.65 : x
  2. Step 2: Convert to fraction form
    36,636.80/54,955.61 = 11,676.65/x
  3. Step 3: Cross multiply
    36,636.80x = 54,955.61 × 11,676.65
  4. Step 4: Simplify right side
    36,636.80x = 641,697,365.12
  5. Step 5: Solve for x
    x = 641,697,365.12/36,636.80
  6. Step 6: Final answer
    x = 17,515.10

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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.