Home / 45,228.21-67,833.01-17,138.58

Finding the Fourth Proportional to 45,228.21, 67,833.01 and 17,138.58

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Solution

The fourth proportional to 45,228.21, 67,833.01 and 17,138.58 is: 25,704.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,228.21 : 67,833.01 = 17,138.58 : x
  2. Step 2: Convert to fraction form
    45,228.21/67,833.01 = 17,138.58/x
  3. Step 3: Cross multiply
    45,228.21x = 67,833.01 × 17,138.58
  4. Step 4: Simplify right side
    45,228.21x = 1,162,561,468.53
  5. Step 5: Solve for x
    x = 1,162,561,468.53/45,228.21
  6. Step 6: Final answer
    x = 25,704.34

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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.