Home / 34,217.48-51,284.28-19,438.84

Finding the Fourth Proportional to 34,217.48, 51,284.28 and 19,438.84

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Solution

The fourth proportional to 34,217.48, 51,284.28 and 19,438.84 is: 29,134.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,217.48 : 51,284.28 = 19,438.84 : x
  2. Step 2: Convert to fraction form
    34,217.48/51,284.28 = 19,438.84/x
  3. Step 3: Cross multiply
    34,217.48x = 51,284.28 × 19,438.84
  4. Step 4: Simplify right side
    34,217.48x = 996,906,913.44
  5. Step 5: Solve for x
    x = 996,906,913.44/34,217.48
  6. Step 6: Final answer
    x = 29,134.43

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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.