Home / 29,770.20-41,084.97-19,681.11

Finding the Fourth Proportional to 29,770.20, 41,084.97 and 19,681.11

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Solution

The fourth proportional to 29,770.20, 41,084.97 and 19,681.11 is: 27,161.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,770.20 : 41,084.97 = 19,681.11 : x
  2. Step 2: Convert to fraction form
    29,770.20/41,084.97 = 19,681.11/x
  3. Step 3: Cross multiply
    29,770.20x = 41,084.97 × 19,681.11
  4. Step 4: Simplify right side
    29,770.20x = 808,597,813.92
  5. Step 5: Solve for x
    x = 808,597,813.92/29,770.20
  6. Step 6: Final answer
    x = 27,161.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.