Home / 41,191.20-61,771.68-13,482.72

Finding the Fourth Proportional to 41,191.20, 61,771.68 and 13,482.72

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Solution

The fourth proportional to 41,191.20, 61,771.68 and 13,482.72 is: 20,219.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,191.20 : 61,771.68 = 13,482.72 : x
  2. Step 2: Convert to fraction form
    41,191.20/61,771.68 = 13,482.72/x
  3. Step 3: Cross multiply
    41,191.20x = 61,771.68 × 13,482.72
  4. Step 4: Simplify right side
    41,191.20x = 832,850,265.37
  5. Step 5: Solve for x
    x = 832,850,265.37/41,191.20
  6. Step 6: Final answer
    x = 20,219.13

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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.