Home / 49,176.80-73,765.12-12,240.80

Finding the Fourth Proportional to 49,176.80, 73,765.12 and 12,240.80

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Solution

The fourth proportional to 49,176.80, 73,765.12 and 12,240.80 is: 18,361.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,176.80 : 73,765.12 = 12,240.80 : x
  2. Step 2: Convert to fraction form
    49,176.80/73,765.12 = 12,240.80/x
  3. Step 3: Cross multiply
    49,176.80x = 73,765.12 × 12,240.80
  4. Step 4: Simplify right side
    49,176.80x = 902,944,080.90
  5. Step 5: Solve for x
    x = 902,944,080.90/49,176.80
  6. Step 6: Final answer
    x = 18,361.18

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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.