Home / 29,405.28-40,568.55-19,339.14

Finding the Fourth Proportional to 29,405.28, 40,568.55 and 19,339.14

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Solution

The fourth proportional to 29,405.28, 40,568.55 and 19,339.14 is: 26,680.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,405.28 : 40,568.55 = 19,339.14 : x
  2. Step 2: Convert to fraction form
    29,405.28/40,568.55 = 19,339.14/x
  3. Step 3: Cross multiply
    29,405.28x = 40,568.55 × 19,339.14
  4. Step 4: Simplify right side
    29,405.28x = 784,560,868.05
  5. Step 5: Solve for x
    x = 784,560,868.05/29,405.28
  6. Step 6: Final answer
    x = 26,680.95

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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.