Home / 29,040.26-40,087.79-19,621.58

Finding the Fourth Proportional to 29,040.26, 40,087.79 and 19,621.58

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Solution

The fourth proportional to 29,040.26, 40,087.79 and 19,621.58 is: 27,086.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,040.26 : 40,087.79 = 19,621.58 : x
  2. Step 2: Convert to fraction form
    29,040.26/40,087.79 = 19,621.58/x
  3. Step 3: Cross multiply
    29,040.26x = 40,087.79 × 19,621.58
  4. Step 4: Simplify right side
    29,040.26x = 786,585,479.96
  5. Step 5: Solve for x
    x = 786,585,479.96/29,040.26
  6. Step 6: Final answer
    x = 27,086.04

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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.