Home / 30,257.94-45,396.60-12,496.95

Finding the Fourth Proportional to 30,257.94, 45,396.60 and 12,496.95

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Solution

The fourth proportional to 30,257.94, 45,396.60 and 12,496.95 is: 18,749.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,257.94 : 45,396.60 = 12,496.95 : x
  2. Step 2: Convert to fraction form
    30,257.94/45,396.60 = 12,496.95/x
  3. Step 3: Cross multiply
    30,257.94x = 45,396.60 × 12,496.95
  4. Step 4: Simplify right side
    30,257.94x = 567,319,040.37
  5. Step 5: Solve for x
    x = 567,319,040.37/30,257.94
  6. Step 6: Final answer
    x = 18,749.43

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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.