Home / 53,427.20-80,138.88-16,491.20

Finding the Fourth Proportional to 53,427.20, 80,138.88 and 16,491.20

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Solution

The fourth proportional to 53,427.20, 80,138.88 and 16,491.20 is: 24,736.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,427.20 : 80,138.88 = 16,491.20 : x
  2. Step 2: Convert to fraction form
    53,427.20/80,138.88 = 16,491.20/x
  3. Step 3: Cross multiply
    53,427.20x = 80,138.88 × 16,491.20
  4. Step 4: Simplify right side
    53,427.20x = 1,321,586,297.86
  5. Step 5: Solve for x
    x = 1,321,586,297.86/53,427.20
  6. Step 6: Final answer
    x = 24,736.21

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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.