Home / 34,690.28-47,872.92-18,775.04

Finding the Fourth Proportional to 34,690.28, 47,872.92 and 18,775.04

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Solution

The fourth proportional to 34,690.28, 47,872.92 and 18,775.04 is: 25,909.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,690.28 : 47,872.92 = 18,775.04 : x
  2. Step 2: Convert to fraction form
    34,690.28/47,872.92 = 18,775.04/x
  3. Step 3: Cross multiply
    34,690.28x = 47,872.92 × 18,775.04
  4. Step 4: Simplify right side
    34,690.28x = 898,815,987.92
  5. Step 5: Solve for x
    x = 898,815,987.92/34,690.28
  6. Step 6: Final answer
    x = 25,909.74

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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.