Home / 44,191.62-66,291.75-20,811.78

Finding the Fourth Proportional to 44,191.62, 66,291.75 and 20,811.78

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Solution

The fourth proportional to 44,191.62, 66,291.75 and 20,811.78 is: 31,219.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,191.62 : 66,291.75 = 20,811.78 : x
  2. Step 2: Convert to fraction form
    44,191.62/66,291.75 = 20,811.78/x
  3. Step 3: Cross multiply
    44,191.62x = 66,291.75 × 20,811.78
  4. Step 4: Simplify right side
    44,191.62x = 1,379,649,316.82
  5. Step 5: Solve for x
    x = 1,379,649,316.82/44,191.62
  6. Step 6: Final answer
    x = 31,219.70

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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.