Home / 29,118.26-43,647.10-19,759.12

Finding the Fourth Proportional to 29,118.26, 43,647.10 and 19,759.12

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Solution

The fourth proportional to 29,118.26, 43,647.10 and 19,759.12 is: 29,618.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,118.26 : 43,647.10 = 19,759.12 : x
  2. Step 2: Convert to fraction form
    29,118.26/43,647.10 = 19,759.12/x
  3. Step 3: Cross multiply
    29,118.26x = 43,647.10 × 19,759.12
  4. Step 4: Simplify right side
    29,118.26x = 862,428,286.55
  5. Step 5: Solve for x
    x = 862,428,286.55/29,118.26
  6. Step 6: Final answer
    x = 29,618.13

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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.