Home / 30,356.21-45,523.38-12,827.41

Finding the Fourth Proportional to 30,356.21, 45,523.38 and 12,827.41

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Solution

The fourth proportional to 30,356.21, 45,523.38 and 12,827.41 is: 19,236.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,356.21 : 45,523.38 = 12,827.41 : x
  2. Step 2: Convert to fraction form
    30,356.21/45,523.38 = 12,827.41/x
  3. Step 3: Cross multiply
    30,356.21x = 45,523.38 × 12,827.41
  4. Step 4: Simplify right side
    30,356.21x = 583,947,059.85
  5. Step 5: Solve for x
    x = 583,947,059.85/30,356.21
  6. Step 6: Final answer
    x = 19,236.49

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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.