Home / 30,246.21-45,338.94-11,521.44

Finding the Fourth Proportional to 30,246.21, 45,338.94 and 11,521.44

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Solution

The fourth proportional to 30,246.21, 45,338.94 and 11,521.44 is: 17,270.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,246.21 : 45,338.94 = 11,521.44 : x
  2. Step 2: Convert to fraction form
    30,246.21/45,338.94 = 11,521.44/x
  3. Step 3: Cross multiply
    30,246.21x = 45,338.94 × 11,521.44
  4. Step 4: Simplify right side
    30,246.21x = 522,369,876.87
  5. Step 5: Solve for x
    x = 522,369,876.87/30,246.21
  6. Step 6: Final answer
    x = 17,270.59

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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.